6 medium sweet potatoes, peeled and cut into cubes
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0.33333334326744 cup brown sugar
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0.25 teaspoon ground allspice
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0.25 teaspoon ground cinnamon
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0.5 (10.5 ounce) package miniature marshmallows
Instructions
Gather all ingredients.
Preheat the oven to 350 degrees F (175 degrees C).
Place sweet potatoes into a large pot and cover with water; bring to a boil. Reduce the heat to medium-low and simmer until tender, about 20 minutes.
Drain potatoes and transfer to a baking sheet.
Bake sweet potatoes in the preheated oven until dried, 3 to 4 minutes; transfer to a mixing bowl. Keep the oven on.
Mash sweet potatoes with a potato masher until no large lumps remain. Add brown sugar, allspice, and cinnamon; continue mashing until potatoes are evenly seasoned.
Spoon mixture into a casserole dish and spread marshmallows in an even layer over top.
Bake in the oven until marshmallows just begin to brown, 10 to 15 minutes. Turn on the broiler and broil for 1 minute.