Good-Cooking - Butterscotch Pound Cake

Ingredients

• 3 cups unsifted all-purpose flour
• 2 teaspoons baking powder
• 1/4 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup unsalted butter
• 2 cups firmly packed brown sugar
• 3 eggs, lightly beaten
• 1 cup milk
• 1 teaspoon vanilla extract