You’ll Need:Cake 1 (14 ounce) can sweetened condensed milk (not evaporated milk), divided 1 cup Butter flavor Crisco-all vegetable shortening or 1 Butter Flavor Crisco stick all 1 cup granulated sugar 1 cup firmly packed light brown sugar 4 eggs 2 teaspoons vanilla extract 1 cup buttermilk or sour milk