Cherry Crunch

1 box Duncan Hines white cake mix 1 tsp. lemon juice 1 stick margarine, melted 1 can cherry pie filling 1/2 cup Millican Pecan Pieces Spread pie filling in 9 X 13 inch pan. Sprinkle with lemon juice. Combine cake mix, pecans & melted margarine. Sprinkle over pie filling. Bake at 350 degrees for 35 to 40 minutes until golden brown, Serve with ice cream or whipped cream.