Homestyle Sweet Potato Casserole with Pecan Crunch

Featured in Zucchini Sides.

Rich, creamy Sweet Potato Casserole with a delightful pecan streusel top. A comforting side dish for any gathering, simple to make.
Clara Rodriguez - Recipe Author
Updated on Thu Jan 08 2026 at 02:49 AM
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Honestly, this Old Fashioned Sweet Potato Casserole always takes me straight back to my grandmother’s kitchen. I can practically smell the cinnamon and brown sugar bubbling, even now. She’d be bustling around, a little flour on her cheek, humming a tune as she mashed those sweet potatoes. I remember one year, I tried to help, but ended up making a huge mess with the butter. Sticky hands, everywhere! But that’s the magic, isn’t it? This dish isn't just food, it's a hug, a memory, a warm spot in a chaotic kitchen.

I once had a minor sweet potato catastrophe. I was so proud, meticulously peeling and boiling, then got distracted by a phone call and burnt the bottom of the pot. The smoke detector went off, the dog barked, and I just stood there, laughing and crying a little. Had to start over, but hey, that's real cooking, right? This recipe is the result of many such trials, and I've learned a thing or two about getting it just right, even when life gets messy.

Ingredients

  • Sweet Potatoes: About 3 pounds, peeled and chopped. Honestly, these are the star of our Sweet Potato Casserole. I always go for fresh, vibrant orange ones, they just mash up so much creamier than the pre-cut stuff. Don't skimp here, hon.
  • Unsalted Butter: Half a cup (1 stick), melted. This is where the richness comes from. I tried using margarine once, and it just wasn't the same. The flavor was off, and the texture was… sad. Stick with real butter for this Sweet Potato Casserole, trust me.
  • Granulated Sugar: Half a cup. Some folks like less, some more. I find this gives it a nice balance, not overly sweet but sweet enough to feel special. My aunt swears by brown sugar here, but I prefer the clean sweetness of white sugar for the base.
  • Light Brown Sugar: Half a cup, packed. This is for our streusel topping. It adds a lovely caramel note and that signature chewiness. I’ve definitely had moments where I thought I had enough, only to find the bag was empty. Always check your pantry!
  • Large Eggs: Two, lightly beaten. They bind everything together in the sweet potato mixture, giving it that custardy texture. I forgot them once, and the casserole was a crumbly mess. Learn from my oops!
  • Milk: Half a cup, whole milk. Don't even think about skim milk for this Sweet Potato Casserole, just don't. We want creamy, dreamy goodness here, and whole milk delivers. I once tried almond milk, and while it worked, the richness wasn't quite there.
  • Vanilla Extract: Two teaspoons. A splash of warmth and depth. I actually prefer Mexican vanilla, it has this almost smoky, complex note that I just adore. It makes a huge difference in the overall flavor profile.
  • Cinnamon: One teaspoon. Essential for that classic, comforting aroma. I sometimes add a pinch of nutmeg too, especially around the holidays, but cinnamon is the non-negotiable here.
  • All-Purpose Flour: Half a cup. For the streusel topping, it helps create that lovely crumbly texture. I always use unbleached flour, just a personal preference.
  • Chopped Pecans: One cup. The crunch factor for our streusel! I've tried walnuts, but pecans just have that buttery flavor that pairs so perfectly with sweet potatoes. Plus, they smell amazing when toasted.

Instructions

Prepping Your Sweet Potato Casserole Base:
First things first, get those sweet potatoes peeled and chopped into roughly 1-inch cubes. I always try to make them fairly even so they cook at the same rate. Pop them into a large pot, cover with cold water, and add a generous pinch of salt. Bring it to a boil, then reduce the heat and simmer until they're fork-tender, about 15-20 minutes. You want them soft enough to mash easily, but not mushy, you know? This is where I sometimes forget to salt the water, and it makes a difference in the final flavor of the Sweet Potato Casserole.
Mashing for the Perfect Sweet Potato Casserole:
Once those sweet potatoes are tender, drain them really well. Like, really well. Excess water makes for a watery casserole, and nobody wants that! Transfer them to a large mixing bowl. Add the melted butter, granulated sugar, beaten eggs, milk, vanilla extract, and cinnamon. Now, get mashing! I prefer a potato masher for a slightly rustic texture, but you can use an electric mixer for super smooth. Taste it here, and adjust the sweetness if you want. This is your Sweet Potato Casserole, after all!
Crafting the Pecan Streusel Topping:
In a separate medium bowl, whisk together the all-purpose flour and light brown sugar. Add the cold, diced butter. Now, using your fingertips or a pastry blender, work the butter into the flour mixture until it resembles coarse crumbs. This is the fun part, getting your hands in there! Finally, stir in the chopped pecans. This streusel topping is what makes this Sweet Potato Casserole truly special, giving it that delightful crunch against the creamy base.
Assembling Your Sweet Potato Casserole:
Grab a 9x13 inch baking dish and lightly grease it. Pour the mashed sweet potato mixture evenly into the prepared dish. Make sure it's spread out nicely, edge to edge. Then, sprinkle that glorious pecan streusel topping all over the sweet potato base. Don't be shy! I usually try to get an even layer, but sometimes a few extra clumps here and there happen, and honestly, they're the best bits after baking. This is where the magic starts to happen for our Sweet Potato Casserole.
Baking the Sweet Potato Casserole to Golden Perfection:
Preheat your oven to 375°F (190°C). Pop the casserole dish into the hot oven and bake for 30-35 minutes, or until the topping is golden brown and bubbly. You'll know it's ready when your kitchen starts smelling absolutely heavenly, a mix of sweet potatoes, cinnamon, and toasted pecans. Keep an eye on the streusel, sometimes it browns faster than you think. If it starts getting too dark, you can loosely tent it with foil.
Serving Up Your Sweet Potato Casserole:
Once baked, pull that beautiful Sweet Potato Casserole out of the oven. Let it rest for about 10-15 minutes before serving. This allows it to set up a bit, making it easier to scoop and ensuring all those delicious flavors meld together perfectly. It's best served warm, straight from the oven, alongside your favorite holiday roast or even just as a comforting side on a weeknight. The aroma alone will make everyone eager for a taste!

Making this Sweet Potato Casserole always brings a bit of happy chaos to my kitchen. Flour on the counter, a stray piece of pecan on the floor, but it’s all part of the process. The way the house fills with that sweet, warm scent as it bakes? That's the best part. It feels like home, like tradition, and honestly, it’s just plain delicious. It’s a dish that never fails to make people smile, and that’s why I keep coming back to it.

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Ingredient Substitutions

I've definitely experimented with this Sweet Potato Casserole over the years! For the sweet potatoes, canned yams (drained well) can work in a pinch if fresh aren't available, but the flavor won't be as vibrant. I tried it once when I was in a rush, and it worked... kinda. For the milk, heavy cream makes it even more decadent, but you can use half-and-half if you want to lighten it up slightly. As for the streusel, if pecans aren't your thing or you have an allergy, walnuts or even a mix of oats and brown sugar can create a similar crunch. I once used crushed cornflakes for a topping when I was out of nuts, and it was actually a surprisingly good, crispy twist! Feel free to play around, that’s what cooking is all about.

Serving Suggestions

This Sweet Potato Casserole is practically a holiday staple at my house, but honestly, I make it whenever I need a little comfort. It pairs beautifully with roasted turkey, a juicy ham, or even just a simple baked chicken. For sides, I love it alongside some crisp green beans or a fresh salad to cut through the richness. And for drinks? A dry white wine, or if you're feeling extra cozy, a spiced apple cider. This dish and a good rom-com? Yes please! It’s versatile enough for a big family dinner or just a quiet night in when you need that warm, comforting hug in a dish. Sometimes I even sneak a little dollop with my morning coffee. Don't tell!

Cultural Backstory

The Sweet Potato Casserole, as we know it today, has deep roots in American Southern cuisine, especially around the holiday season. It evolved from simpler sweet potato puddings and pies, becoming the beloved side dish we cherish. For generations, it's been a symbol of harvest, family gatherings, and gratitude. For me, it became special when my grandmother shared her handwritten recipe, stained with years of use and love. It wasn't just about the ingredients, it was about the stories she told while we cooked, the feeling of connection to something bigger. Every time I make this Sweet Potato Casserole, I feel that connection, a link to the past and to the warmth of home.

There you have it, my honest-to-goodness Old Fashioned Sweet Potato Casserole. It's a recipe that's seen its share of kitchen mishaps and triumphs, always ending with that familiar, comforting taste. The way the creamy sweet potatoes meet that crunchy, buttery pecan streusel? It’s pure magic. I really hope you give it a try and make some beautiful memories of your own. And hey, if you have an "oops" moment, just laugh it off! That’s part of the fun. Share your version with me!

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Frequently Asked Questions

→ Can I make Sweet Potato Casserole ahead of time?

Absolutely! I often assemble the entire Sweet Potato Casserole, topping and all, a day before. Just cover it tightly and refrigerate. Then, bake as directed, maybe adding an extra 5-10 minutes to the baking time to ensure it's heated through.

→ What if I don't have fresh sweet potatoes?

You can use canned yams (not the ones packed in syrup, if possible, or rinse them well) for this Sweet Potato Casserole. Just drain them super well and proceed with mashing. The texture might be a little different, but it'll still be delicious!

→ My streusel topping isn't getting crispy, what gives?

Ah, that's happened to me! Make sure your butter for the streusel is cold and diced, not melted. Also, ensure your oven is fully preheated. If it's still not crisping, a quick blast under the broiler for a minute or two (watch it like a hawk!) can help, but careful not to burn the pecans.

→ How long does Sweet Potato Casserole last?

Once cooled, your Sweet Potato Casserole will last about 3-4 days in an airtight container in the fridge. I've even frozen it for up to 2-3 months with good results, just thaw it out before reheating.

→ Can I add marshmallows instead of streusel to this Sweet Potato Casserole?

Of course! While I prefer the streusel for this specific recipe, a marshmallow topping is a classic variation for Sweet Potato Casserole. Add a layer of mini marshmallows during the last 10 minutes of baking, or until they're golden and gooey. Yum!

Homestyle Sweet Potato Casserole with Pecan Crunch

Rich, creamy Sweet Potato Casserole with a delightful pecan streusel top. A comforting side dish for any gathering, simple to make.

4.2 out of 5
(18 reviews)
Prep Time
20 Minutes
Cook Time
40 Minutes
Total Time
60 Minutes

Category: Zucchini Sides

Difficulty: Intermediate

Cuisine: American Southern

Yield: 8 Servings

Dietary: Vegetarian

Published: Tue Oct 28 2025 at 10:27 AM

Last Updated: Thu Jan 08 2026 at 02:49 AM

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Ingredients

→ Sweet Potato Base for Casserole

01 3 pounds sweet potatoes, peeled and chopped
02 1/2 cup (1 stick) unsalted butter, melted
03 1/2 cup granulated sugar
04 2 large eggs, lightly beaten
05 1/2 cup whole milk
06 2 teaspoons vanilla extract
07 1 teaspoon ground cinnamon

→ Pecan Streusel Topping

08 1/2 cup light brown sugar, packed
09 1/2 cup all-purpose flour
10 1/2 cup (1 stick) unsalted butter, cold and diced
11 1 cup chopped pecans

→ Flavor Boosters

12 Pinch of salt (for boiling potatoes)
13 Optional: Pinch of ground nutmeg (with cinnamon)

Instructions

Step 01

First things first, get those sweet potatoes peeled and chopped into roughly 1-inch cubes. I always try to make them fairly even so they cook at the same rate. Pop them into a large pot, cover with cold water, and add a generous pinch of salt. Bring it to a boil, then reduce the heat and simmer until they're fork-tender, about 15-20 minutes. You want them soft enough to mash easily, but not mushy, you know? This is where I sometimes forget to salt the water, and it makes a difference in the final flavor of the Sweet Potato Casserole.

Step 02

Once those sweet potatoes are tender, drain them really well. Like, *really* well. Excess water makes for a watery casserole, and nobody wants that! Transfer them to a large mixing bowl. Add the melted butter, granulated sugar, beaten eggs, milk, vanilla extract, and cinnamon. Now, get mashing! I prefer a potato masher for a slightly rustic texture, but you can use an electric mixer for super smooth. Taste it here, and adjust the sweetness if you want. This is your Sweet Potato Casserole, after all!

Step 03

In a separate medium bowl, whisk together the all-purpose flour and light brown sugar. Add the cold, diced butter. Now, using your fingertips or a pastry blender, work the butter into the flour mixture until it resembles coarse crumbs. This is the fun part, getting your hands in there! Finally, stir in the chopped pecans. This streusel topping is what makes this Sweet Potato Casserole truly special, giving it that delightful crunch against the creamy base.

Step 04

Grab a 9x13 inch baking dish and lightly grease it. Pour the mashed sweet potato mixture evenly into the prepared dish. Make sure it's spread out nicely, edge to edge. Then, sprinkle that glorious pecan streusel topping all over the sweet potato base. Don't be shy! I usually try to get an even layer, but sometimes a few extra clumps here and there happen, and honestly, they're the best bits after baking. This is where the magic starts to happen for our Sweet Potato Casserole.

Step 05

Preheat your oven to 375°F (190°C). Pop the casserole dish into the hot oven and bake for 30-35 minutes, or until the topping is golden brown and bubbly. You'll know it's ready when your kitchen starts smelling absolutely heavenly, a mix of sweet potatoes, cinnamon, and toasted pecans. Keep an eye on the streusel, sometimes it browns faster than you think. If it starts getting too dark, you can loosely tent it with foil.

Step 06

Once baked, pull that beautiful Sweet Potato Casserole out of the oven. Let it rest for about 10-15 minutes before serving. This allows it to set up a bit, making it easier to scoop and ensuring all those delicious flavors meld together perfectly. It's best served warm, straight from the oven, alongside your favorite holiday roast or even just as a comforting side on a weeknight. The aroma alone will make everyone eager for a taste!

Notes

  1. Always drain your sweet potatoes really, really well after boiling. Soggy casserole is no fun.
  2. Don't overmix the streusel, you want those distinct crumbles, not a paste.
  3. For extra flavor, toast your pecans lightly before adding them to the streusel.
  4. This casserole tastes even better the next day, honestly, the flavors deepen.

Tools You'll Need

  • Large pot
  • potato masher (or electric mixer)
  • large mixing bowls
  • 9x13 inch baking dish
  • pastry blender (optional)

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Dairy
  • Tree Nuts (Pecans)
  • Eggs
  • Gluten

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 350
  • Total Fat: 20g
  • Total Carbohydrate: 40g
  • Protein: 4g

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