Grandma'S Fudge Sauce - cooking recipe

Ingredients

4 (1 ounce) squares unsweetened chocolate
1/2 cup butter
3 cups white sugar
1 teaspoon vanilla extract
1/2 teaspoon salt
1 (12 fluid ounce) can evaporated milk

Preparation

Melt the chocolate and butter in a heavy pot over low heat, stirring constantly. Gradually stir in the sugar, vanilla extract, salt, and evaporated milk. Cook and stir until the mixture is thickened, 5 to 7 minutes.