1 stick butter
1 (16 oz.) can crushed pineapple
1 1/2 c. sugar
4 heaping tbsp. flour
4 egg yolks

Put butter and pineapple in medium size pan, bring to a boil. In separate bowl, combine sugar, flour and egg yolks. Add small amount of hot mixture to this and return all to kettle. Cook until thickened. Cool to room temperature.