Butterscotch Brownies
["3/4 c. margarine", "3 c. brown sugar, packed", "3 eggs", "2 1/4 c. flour", "3 tsp. baking powder", "1 1/2 tsp. salt", "1 1/2 tsp. vanilla", "1 1/2 c. chopped walnuts", "1 c. butterscotch chips"]
["Heat oven to 375\u00b0.", "Lightly spray 9 x 13-inch pan.", "Melt butter over low heat; remove from heat and mix in brown sugar. Cool.", "Stir in egg.", "Mix together dry ingredients and stir into brown sugar mixture.", "Blend in vanilla, nuts and chips."]
["margarine", "brown sugar", "eggs", "flour", "baking powder", "salt", "vanilla", "walnuts", "butterscotch chips"]