Butterscotch Shortbread without yolk

1 1/4 cups all-purpose flour 3 tablespoons brown sugar 1/4 teaspoon baking powder 3/4 cup butter 1/3 cup sugar 1/3 cup packed brown sugar 1/3 cup light corn[...]

1 1/2 cups butter , softened 3/4 cup icing sugar 1/4 teaspoon salt 2 cups flour 2 cups butterscotch chips 1 (300 ml) can eagle brand sweetened condensed milk[...]