Alter as follows: For filling 1/4 of each - butter, flour, granulated sugar, and milk ; 2 Tbsp ground cinnamon. Melt the butter in the microwave 15 - 30 seconds. Using a small whisk blend in flour, then cinnamon and sugar. Add milk by 1/2 Tbsp & combine thoroughly. For Topping: 3 Tbsp sugar; 1 Tbsp cinnamon - add to top.