1 can blueberry pie filling
1/4 c. butter
1 box white "Jiffy" cake mix
1/2 c. nuts
1 sm. can crushed pineapple (optional)

Pour filling into square pan. Mix cake mix with nuts and butter. Bake at 350 degrees for 45-50 minutes. Cherry pie filling may also be used. Serve with ice cream or whip cream.