Marshmallow Fudge Bars
["1 c. shortening", "2 c. sugar", "4 eggs", "1/4 tsp. salt", "1 1/2 c. flour", "1/2 tsp. baking powder", "1 Tbsp. cocoa", "2 tsp. vanilla", "1/2 c. nuts", "miniature marshmallows"]
["Mix all ingredients, except marshmallows.", "Spread on a 10 x 15-inch greased cookie sheet.", "Bake at 350\u00b0 for 20 minutes. Remove from oven; cover with marshmallows.", "Return to oven for 3 minutes, or until marshmallows are soft.", "Cool.", "Frost with your favorite chocolate frosting."]
["shortening", "sugar", "eggs", "salt", "flour", "baking powder", "cocoa", "vanilla", "nuts", "marshmallows"]