Chocolate Marshmallow Brownies
["1 can chocolate frosting", "7 1/2 Tbsp. butter", "1 1/2 c. sugar", "3 eggs", "1/2 tsp. vanilla", "3/8 tsp. salt", "1 1/8 c. flour", "6 Tbsp. cocoa", "1/2 c. milk", "1 c. chopped nuts", "1 jar Marshmallow Creme"]
["Cream butter and sugar.", "Add eggs, one at a time; mix by hand. Add vanilla.", "Combine dry ingredients; sift into above mixture. Add milk, a little at a time.", "Add nuts.", "Grease pan.", "Bake at 350\u00b0 for 30 minutes in a 10 x 15-inch pan.", "While still hot, spread Marshmallow Creme over top.", "Let cool.", "Frost with chocolate frosting."]
["chocolate frosting", "butter", "sugar", "eggs", "vanilla", "salt", "flour", "cocoa", "milk", "nuts", "Marshmallow Creme"]