Butterscotch with frosting

1 pint dulce de leche ice cream 2 1/2 cups flour 1 1/4 teaspoons salt 1/2 teaspoon baking powder 1 1/4 cups butterscotch chips 1 teaspoon vegetable oil 1/4[...]

3/4 cup butter , melted 2 cups light brown sugar , packed 3 eggs 2 cups flour 2 teaspoons baking powder 1/2 teaspoon salt 1 teaspoon vanilla extract 1 cup[...]