Sweet Potato & Marshmallow Crostini
Sweet Potato Crostini is a fun twist on the classic sweet potato casserole, but in appetizer form. It has all the cozy flavors of the holiday table. Cinnamon sugar toast, creamy sweet potatoes, crunchy pecans, and toasted marshmallows, layered into one bite-sized snack.

What makes this recipe special is how familiar yet unexpected it feels. The sweet potato mixture adds warmth and texture, while the marshmallows bring that nostalgic touch everyone associates with holiday comfort food.
Helpful Tips
- Slice bread evenly: Thin, even slices help the crostini toast up at the same rate and keep them sturdy for toppings.
- Watch the broiler closely: Marshmallows can go from golden to burnt in seconds, so keep an eye on them.
- Make ahead: Toast the bread and prep the sweet potato mixture in advance, then assemble and broil just before serving.
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Sweet Potato Crostini
Sweet Potato Crostini is a fun twist on the classic sweet potato casserole, but in appetizer form.
Ingredients
- 2 tablespoons sugar
- 1/2 teaspoon ground cinnamon
- 1 French baguette sliced
- 2 tablespoons butter melted
- 2 cups mashed sweet potatoes
- 1/4 cup chopped pecans
- 3 tablespoons packed brown sugar
- 2 tablespoons butter melted
- 1-1/4 cups miniature marshmallows halved
Instructions
- Preheat oven to 375°F. Mix sugar and cinnamon together in a small bowl.
- Arrange bread slices on an ungreased baking sheet. Brush with butter, then sprinkle with the sugar mixture. Bake until lightly browned, about 5-7 minutes. Remove from oven.
- Reset the oven to broil.
- In a large bowl, mix sweet potatoes, pecans, brown sugar and butter together. Spread the mixture onto the toasts. Top each with a few marshmallows. Broil 3-4” from heat until marshmallows are lightly toasted, about 1-2 minutes.
Nutrition
Calories: 87kcalCarbohydrates: 12gProtein: 2gFat: 4gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gTrans Fat: 0.1gCholesterol: 6mgSodium: 104mgPotassium: 69mgFiber: 1gSugar: 5gVitamin A: 1958IUVitamin C: 0.3mgCalcium: 21mgIron: 1mg
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