1/4 c. melted butter
1/4 c. sugar
1 1/4 c. graham cracker crumbs
3 egg yolks
1 can Eagle Brand milk
1/2 c. lemon juice
1 c. Cool Whip

Combine butter, crumbs and sugar. Press into small square pan. Beat egg yolks, stir in milk and then lemon juice. Pour into crust and top with Cool Whip. Freeze.