Ingredients
1/2 cup butter, softened1 cup sugar1 egg2 cups all-purpose flour2 teaspoons baking powder1/2 teaspoon salt3/4 cup buttermilk1 teaspoon vanilla extract1 cup miniature marshmallows1/2 cup semisweet chocolate chipsTOPPING:1/2 cup chopped walnuts1/4 cup packed brown sugar2 tablespoons butter, melted
Preparation
In a bowl, cream butter and sugar; beat in egg until light and fluffy. Combine flour, baking powder and salt. In another bowl, combine buttermilk and vanilla. Add dry ingredients to the creamed mixture alternately with buttermilk mixture; mix well. Fold in marshmallows and chips. Pour into a greased and floured 13x9-in. baking pan. Combine topping ingredients; sprinkle over batter. Bake at 350° for 30-35 minutes or until a toothpick inserted in the center comes out clean.
