Streusel Topped Sweet Potato Casserole

This Streusel Topped Sweet Potato Casserole is a recurring dish at our holiday gathering table. It’s got the best of both worlds with streusel topping AND marshmallows! Make this classic side dish recipe for Thanksgiving entertaining

sweet potato casserole topped with marshmallows and streusel, in white baking dish.

If you’re from the South, you know about sweet potato casserole. It’s pretty much a standard side dish on our Thanksgiving table and at Christmas dinner. And whether it’s topped with streusel topping or marshmallows, it really is all about the topping!

Southern Sweet Potato Casserole

Since we (the adults) love streusel topping and the kids love marshmallows, I love to top my sweet potatoes with both. You can do half and half or divide it into rows for a pretty presentation like I did here.

Make it for a Friendsgiving side dish or add it to your Christmas menu. This is a classic dish for the holidays, that you’ll reach for year after year!

Why You’ll Love It

  • You start with a can of sweet potatoes so there’s no pre-cooking involved.
  • The depth of flavor from orange, and pumpkin pie seasoning makes this amazing!
  • I top it two ways to satisfy all your cravings: gooey marshmallows and crunchy streusel make this recipe divine.
  • This recipe makes enough for holiday crowds and Thanksgiving potlucks.
large spoon lifting out a scoop of sweet potato casserole.

Expert Tips

Make sure you drain the sweet potatoes well so you don’t get too much residual liquid, which is usually sweet syrup.

Bring your egg to room temperature before using. This helps it to integrate and cream better than a cold egg. To do it quickly, simply place a cold egg in a bowl of warm water (not overly hot or boiling) for about 5 minutes.

Use the streusel topping for desserts too! Add to coffee cake, fruit crumbles or dump cake.

What to Serve it With

Serve this southern sweet potato casserole with these other holiday dishes for a fantastic meal!

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sweet potato casserole recipe card

Streusel Topped Sweet Potato Casserole

Yield: 12 servings
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes

This classic sweet potato casserole shows up at all our holiday dinners. It's a southern classic and we love to top it with both a crunchy streusel topping AND marshmallows. Why choose?


  • 3 (29-oz.) cans sweet potatoes, drained
  • 1/3 cup sugar
  • 2 egg yolks
  • 1 teaspoon grated orange rind
  • 1 Tablespoon fresh orange juice
  • 1 1/2 teaspoons pumpkin pie spice
  • 1 teaspoon salt
  • 3 egg whites

Streusel Topping:

  • 1/2 cup chopped pecans, toasted
  • 1/2 cup firmly packed brown sugar
  • 1/4 cup all-purpose flour
  • 3 Tablespoons butter, melted
  • 1/4 teaspoon pumpkin pie spice

Additional topping:

  • Mini marshmallows


  1. Mash up potatoes well.
  2. Mix together first 7 ingredients with hand mixer, until smooth.
  3. Beat egg whites in a small bowl at high speed until soft peaks form.
  4. Gently fold beaten whites into potato mixture.
  5. Spoon mixture into a lightly greased 13 x 9 baking dish.
  6. Stir together all streusel topping ingredients and sprinkle over sweet potatoes.
  7. Bake at 400 for 30 minutes or until topping is lightly browned.
  8. If using Marshmallows, add them at the last 5 minutes of cooking time.


Keep an eye on the marshmallows to make sure they don't burn!

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