Directions from https://www.tasteofhome.com/recipes/lemon-custard-cake/
1 10 inch angel food cake
1 3.4 ounce package instant lemon pudding mix
1 1/2 c cold milk
1 cup sour cream
1 21 ounce can cherry or other pie filling
Tear angel food cake into bite-sized pieces. Place in a 13-in. x 9-in. pan. In a bowl, combine the pudding mix, milk and sour cream. Beat until thickened, about 2 minutes. Spread over cake. Spoon pie filling on top. Chill until serving time.