Thin White Sauce:

Ingredients

3 tablespoons solid vegetable shortening
3 tablespoons plain flour
3 cups milk
1 1/2 teaspoons salt
1 1/2 tablespoons minced onion
1/ 2 cup grated cheese

Preparation

Melt shortening in a saucepan over low heat. Remove from heat and gradually blend in flour. Add milk and salt, mixing well. Return to low heat; add onion and cheese. Cook, stirring occasionally, for about 10 minutes, or until thick.