Thanksgiving Leftover Casserole

Ingredients

• 3 tbsp of butter
• 2 tbsp of all-purpose flour
• 1 can (12 fl oz) of evaporated milk
• 1 cup of water
• ¼ tsp of salt
• ¼ tsp of freshly ground black pepper
• ¼ tsp of onion powder
• 2 tbsp of butter
• 1 cup of finely crushed herb-seasoned dry bread stuffing mix
• 1 cup of cooked, diced turkey meat
• 1 cup of shredded Cheddar cheese
• 2 cups of leftover mashed potatoes