Pumpkin Brownies
["1 c. sifted all-purpose flour", "1/4 c. instant mashed potato flakes", "1 tsp. baking powder", "1/2 tsp. salt", "3/4 tsp. cinnamon", "1/2 c. butter", "1 1/2 c. sugar", "1 egg", "3/4 c. canned pumpkin", "1 tsp. vanilla", "1/2 c. chopped nuts"]
["Sift together flour, baking powder, salt and cinnamon. Add potato flakes. Melt butter. Stir in sugar, egg, pumpkin and vanilla. Add sifted ingredients and nuts. Stir until well blended. Pour into greased 9-inch square pan. Bake at 350\u00b0 for 40 minutes."]
["flour", "instant mashed potato", "baking powder", "salt", "cinnamon", "butter", "sugar", "egg", "pumpkin", "vanilla", "nuts"]