CUT together the butter, powdered sugar and flour until mixture resembles corn meal; ADD coconut flakes; STIR in to mix.
Using fork, PRESS mixture into 13 X 9 X 2-inch ungreased baking pan.
BAKE at 350F for 15 minutes; COOL.
PUT eggs, sugar, juice and peel in blender (or mixer); BLEND until thick and smooth.
ADD the 1/4 cup flour and baking powder; BLEND to combine; POUR mixture over cooled crust.
BAKE 350 Ffor 25 minutes.
SIFT powdered sugar over top; let COOL; CUT into bars.
Per Serving (excluding unknown items): 410 Calories; 18g Fat (39.3% calories from fat); 5g Protein; 58g Carbohydrate; 1g Dietary Fiber; 112mg Cholesterol; 229mg Sodium. Exchanges: 1 Grain(Starch); 1/2 Lean Meat; 0 Fruit; 3 1/2 Fat; 2 1/2 Other Carbohydrates.