Southern Sweet Potato Treat

Featured in Complement Your Main Course.

This sweet potato casserole is my grandma's recipe that totally steals the show at every holiday meal! The base is super creamy mashed sweet potatoes mixed with plenty of butter, brown sugar, and warm spices that make the whole house smell amazing. But the real magic happens on top - a layer of chopped pecans gets all toasty while the marshmallows turn perfectly golden brown. Everyone fights over the crispy corner pieces where the marshmallows get extra caramelized. Even people who swear they don't like sweet potatoes come back for seconds. It's definitely dessert disguised as a side dish, but isn't that what holiday cooking is all about?
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Updated on Tue, 14 Jan 2025 23:37:00 GMT
A casserole dish filled with sweet potato topping covered in mini marshmallows and chopped pecans. Pin it
A casserole dish filled with sweet potato topping covered in mini marshmallows and chopped pecans. | tasteofcook.com

In my kitchen this Sweet Potato Casserole has become a cherished holiday tradition. The way those buttery sweet potatoes blend with warm cinnamon and brown sugar creates pure magic. When those marshmallows turn golden brown and the pecans get toasty my whole family knows it's time for something special.

Simple Yet Special

I love how this recipe transforms basic ingredients into something extraordinary. Every layer brings its own joy from the creamy sweet potatoes to those crunchy pecans and gooey marshmallows on top. Best of all I can prepare most of it ahead making holiday cooking so much easier.

What You'll Need

  • Sweet Potatoes: I prefer fresh ones but canned work in a pinch just drain them well.
  • Brown Sugar: Dark brown sugar adds such wonderful depth.
  • Butter: The secret to that rich creamy texture.
  • Pecans: They add the perfect nutty crunch.
  • Vanilla: Just a splash makes everything better.
  • Cinnamon: Warming spice that brings it all together.
  • Mini Marshmallows: For that classic toasty topping.

Let's Start Cooking

Sweet Potato Base
I start by boiling my sweet potatoes until they're perfectly tender about 15 minutes.
Making It Creamy
Then comes the fun part mashing them with butter brown sugar and all those wonderful seasonings.
Building Layers
Half the pecans get folded right into that creamy mixture before it goes into the pan.
The Grand Finale
Those remaining pecans and marshmallows create the most beautiful topping.
Golden Perfection
Twenty-five minutes in the oven turns everything beautifully golden.

My Kitchen Secrets

Fresh sweet potatoes really do make a difference in flavor and texture. I always drain them extra well to avoid any wateriness. Sometimes I leave the potatoes slightly chunky for texture and those marshmallows need to be spread just right for that perfect golden top.

Mix It Up

Sometimes I make a streusel topping instead or add a splash of bourbon for extra warmth. When I want less sweetness I skip the marshmallows and double up on that pecan crumble. For friends with nut allergies toasted coconut makes a wonderful substitute.

Plan Ahead

I often make the sweet potato mixture two days ahead keeping those toppings separate until baking time. Just remember to let it come to room temperature before adding the marshmallows and pecans. Leftovers keep beautifully in the fridge making quick weekday treats.

Pure Comfort

There's something about this casserole that brings warmth to any gathering. Whether it's gracing our Thanksgiving table or making a regular Sunday dinner special it never fails to bring smiles. That perfect balance of sweet and savory with all those wonderful textures makes it impossible to resist.

A baked sweet potato casserole topped with toasted marshmallows and chopped pecans in a white dish. Pin it
A baked sweet potato casserole topped with toasted marshmallows and chopped pecans in a white dish. | tasteofcook.com

Frequently Asked Questions

→ Can I make this casserole ahead of time?

Yes, you can bake the sweet potatoes up to 3 days ahead. Store them in the fridge until you're ready to mash and assemble. Just add the toppings right before the final bake.

→ What can I substitute for pecans?

You can use walnuts or cashews instead of pecans. The nuts add a nice crunch, but you can also skip them completely if you prefer or have nut allergies.

→ How do I know when the casserole is done?

The casserole is ready when the marshmallows are golden brown and puffy, usually after 20-25 minutes of baking. The sweet potato mixture should be heated through.

→ Can I use regular marshmallows instead of mini ones?

Regular marshmallows work fine in this recipe. They'll give you bigger, puffier topping pieces. Just arrange them in a single layer over the pecans.

→ How should I store leftovers?

Cover the casserole with foil and store in the fridge for up to 4 days. Reheat portions in the microwave, though the marshmallows won't be as puffy as when first baked.

Sweet Potato Casserole

Creamy baked sweet potatoes mixed with butter and spices, topped with crunchy pecans and golden marshmallows for the perfect holiday side dish.

Prep Time
20 Minutes
Cook Time
85 Minutes
Total Time
105 Minutes

Category: Side Dishes

Difficulty: Easy

Cuisine: American

Yield: 12 Servings (1 casserole (9x13 inch))

Dietary: Vegetarian, Gluten-Free

Ingredients

01 4 pounds sweet potatoes.
02 ½ cup butter.
03 ¼ cup light brown sugar.
04 2 - 2½ teaspoons salt.
05 1 teaspoon ground cinnamon.
06 1 teaspoon vanilla extract.
07 ¾ cup chopped pecans.
08 3 cups mini marshmallows.

Instructions

Step 01

Bake sweet potatoes at 450°F for 1 hour until very tender.

Step 02

Lower oven to 350°F.

Step 03

Peel potatoes and place in large bowl.

Step 04

Add butter, brown sugar, salt, cinnamon, and vanilla. Beat with electric mixer until smooth.

Step 05

Spread into 9x13 baking dish.

Step 06

Top with pecans and marshmallows.

Step 07

Bake for 20-25 minutes until marshmallows are golden.

Notes

  1. Perfect holiday side dish.
  2. Can make sweet potatoes ahead and store in fridge for up to 3 days.
  3. Marshmallow size can vary, and nuts can be swapped or skipped.

Tools You'll Need

  • Baking sheet.
  • 9x13 inch baking dish.
  • Electric mixer.
  • Large mixing bowl.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Nuts (pecans).
  • Dairy (butter).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 303
  • Total Fat: 13 g
  • Total Carbohydrate: 46 g
  • Protein: 3 g