This moist, dense cake is topped with marshmallows and chocolate frosting.
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Cake
2 cups sugar
1 cup Land O Lakes® Butter, softened
4 large Land O Lakes® Eggs
2 teaspoons vanilla extract
1 1/4 cups all-purpose flour
1/2 cup unsweetened cocoa
1/2 teaspoon baking powder
1 cup chopped walnuts
3 cups miniature marshmallows
Frosting
1/3 cup Land O Lakes® Butter, softened
2 1/2 cups powdered sugar
1/3 cup Land O Lakes® Half & Half
1 teaspoon vanilla extract
STEP 1
Heat oven to 350°F. Line 13x9-inch baking pan with aluminum foil, extending foil over edges. Spray foil with no-stick cooking spray.
STEP 2
Combine sugar and 1 cup butter in bowl; beat at medium speed until well mixed. Add eggs and 2 teaspoons vanilla; continue beating until well mixed. Add flour, 1/2 cup cocoa and baking powder; beat at low speed until well mixed. Stir in walnuts.
STEP 3
Spread batter into prepared pan. Bake 35-45 minutes or until toothpick inserted in center comes out clean. Immediately sprinkle marshmallows over top. Continue baking 2-3 minutes or until marshmallows are puffed and softened.
STEP 4
Combine 1/3 cup butter, powdered sugar, 1/2 cup cocoa, half & half and 1 teaspoon vanilla in bowl; beat at medium speed until well mixed. Immediately spread over marshmallows creating a marbled or “muddied” effect.