Raisin Filling - cooking recipe

Ingredients

1 (12 ounce) can evaporated milk
3 egg yolks
3/4 cup sugar
1 tablespoon flour
1 cup raisins
Add
2 tablespoons butter
1 teaspoon vanilla
black walnut

Preparation

Cook first five ingredients until thickened, then add butter, vanilla, and black walnuts.
Use as filling between layers of cake.