Combine flour and 1/2 cup powdered sugar. Cut butter into flour mixture with a pastry blender until crumbly; stir in almonds. Firmly press mixture into a lightly greased 13- x 9-inch pan.
Bake at 350° for 20 to 25 minutes or until light golden brown.
Stir together Lemon Chess Pie Filling and coconut; pour over baked crust.
Bake at 350° for 30 to 35 minutes or until set. Cool in pan on a wire rack. Sprinkle evenly with remaining 1/2 cup powdered sugar, and cut into bars.
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