Fluffernutter Cookies - The Merrythought

Ingredients

• 1 cup butter, softened (for this recipe I like it very soft – but not melted!)
• 1 cup peanut butter
• 1 cup granulated sugar
• 1 cup packed brown sugar
• 1 tsp. baking soda
• 1 tsp. baking powder
• 2 eggs
• 1 tsp. vanilla
• 2½ cups all-purpose flour
• granulated sugar for rolling
• 6 large egg whites, at room temperature
• 1 ½ cups sugar
• 1/2 tsp. cream of tartar
• 1 ½ tsp. vanilla extract