Chocolate Marshmallow Bars
["3/4 c. margarine", "3 eggs", "1 1/3 c. flour", "1/2 tsp. salt", "1/2 c. chopped nuts", "1 1/2 c. sugar", "1 tsp. vanilla", "1/2 tsp. baking powder", "3 Tbsp. baking powder", "4 c. miniature marshmallows"]
["In mixing bowl, cream butter and sugar.", "Add eggs and vanilla. Beat until fluffy."]
["margarine", "eggs", "flour", "salt", "nuts", "sugar", "vanilla", "baking powder", "baking powder", "marshmallows"]