3 tablespoons plain flour
1 1/2 cups sugar
1 (20-ounce) can crushed pineapple, undrained
6 egg yolks
1 stick margarine
In a saucepan, stir flour and sugar together. Add pineapple and egg yolks, blending well. Add margarine. Cook over medium-high, stirring, until mixture boils and thickens, 5-10 minutes.