1/2 c. butter
1/2 c. coconut
1 pkg. yellow cake mix
1 can pie filling

TOPPING:

2 egg yolks
1 c. sour cream

Blend first 3 ingredients and pat in 9 x 13 inch pan. Don't cool. Spread 1 can pie filling over baked mixture. Mix egg yolks with sour cream and drizzle over pie filling. Bake 25 minutes more at 350 degrees. Cool. Cut in bars.