Pumpkin Swirl Cheesecake Yogurt Cupcakes

Bahan-bahan (12 porsi)

• 12 reduced fat vanilla wafers
• 8 oz 1/3 less fat cream cheese (softened)
• 1/4 cup sugar
• 1 tsp vanilla
• 6 oz fat-free vanilla Greek yogurt (I used Chobani)
• 2 large egg whites
• 1 tbsp all purpose flour
• 3/4 cup pumpkin butter or pumpkin pie filling