Butterscotch Filling - cooking recipe

Ingredients

1/2 cup packed brown sugar
1/4 cup cornstarch
1/4 teaspoon salt
1/2 cup water
1 tablespoon butter

Preparation

Mix together the brown sugar, corn starch, salt, and water in a small saucepan. Bring mixture to a boil, and stir constantly for 1 minute. Remove from heat, and add the butter or margarine.
Allow the mixture to cool slightly, and spread between layers.