Brown Caramel Filling - cooking recipe

Ingredients

3 cups sugar, granulated
1 cup evaporated milk
1 1/2 sticks margarine
1 Tbsp Karo syrup

Preparation

Mix all ingredients together in heavy saucepan.
Cook to soft ball stage.
(Stir constantly; otherwise it will scorch.)
When done, set aside.
Brown 1/2 cup sugar in heavy skillet over medium heat, and add to the first mixture.
Stir until cool.
Enough to ice 3-layer cake.