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White casserole dish with baked sweet potato casserole and golden brown marshmallows on top.
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5 from 1 vote

Sweet Potato Casserole with Coconut, Marshmallows and Pecans

The BEST Sweet Potato Casserole with crunchy pecans, coconut, and toasted marshmallows. A winning Thanksgiving side or Holiday dish to serve!
Prep Time10 mins
Cook Time20 mins
Total Time30 mins
Course: Side Dishes & Vegetables
Cuisine: American
Keyword: easy holiday side dish, Sweet Potato Casserole, Thanksgiving Sides
Servings: 10
Calories: 234kcal


  • 1 stick soft butter
  • 1 cup brown sugar
  • 1 cup chopped pecans
  • 1 cup sweetened coconut
  • 1 large can sweet potatoes
  • 1 cup mini marshmallows


  • Preheat oven to 375
  • Make the crumble topping: In a medium bowl, mix pecans, coconut, brown sugar, butter. Set aside
  • Place sweet potatoes in a single layer in the bottom of a non-stick sprayed casserole dish.
  • Sprinkle crumbly mixture evenly on top and scatter mini marshmallows.
  • Bake for 20 minutes until warm, and marshmallows browned.


sweet potatoes:

For this recipe use canned sweet potatoes, fresh would work fine, but aren't the same texture. 

make ahead tips:

Sweet potato casserole is an ideal make-ahead dish. Put this dish together up to a full day ahead, and then pull it out and bake it when it's almost time for your holiday meal.


Serving: 12g | Calories: 234kcal | Carbohydrates: 36g | Protein: 2g | Fat: 10g | Saturated Fat: 3g | Cholesterol: 1mg | Sodium: 48mg | Potassium: 181mg | Fiber: 3g | Sugar: 29g | Vitamin A: 3212IU | Vitamin C: 1mg | Calcium: 33mg | Iron: 1mg