Apple-Currant Bars

Ingredients

• 1 cup all-purpose flour
• 1 teaspoon ground cinnamon
• 3/4 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1/4 teaspoon ground nutmeg
• 1/3 cup margarine
• 3/4 cup firmly packed dark brown sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1 cup diced peeled Rome apple
• 3/4 cup regular oats, uncooked
• 1/2 cup dried currants
• Cooking spray
• 1 tablespoon powdered sugar