Butterscotch Brownies

Bahan-bahan (15 porsi)

• 1/4 cup (½ stick) butter, (melted)
• 1 cup packed dark brown sugar
• 1 large egg
• 1/2 teaspoon vanilla extract
• 3/4 cup all purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1/2 cup (1 stick) butter
• 1/2 cup packed dark brown sugar
• 1/4 cup half and half cream
• 1¾ to 2 cups sifted powdered sugar
• 1 teaspoon vanilla extract
• ⅛ teaspoon salt