EASY YUMMY POTATO GRATIN

• 3 tbsp plain flour
• 1/2 stick butter
• 2 cup milk
• 1 cup grated mozzarella cheese
• 1 head onion, chopped
• 3 medium potatoes, thinly sliced
• 3 slice cheese slice

1. Preheat oven to 200degrees celsius.
2. Slice onions and potatoes.
3. Grease gratin tin thoroughly with butter.
4. Layer in potatoes & onions in following order: potato, onions, potato.
5. Add butter into a saucepan and melt it.
6. Then put in the flour and stir.
7. Pour in milk and whisk to thicken the mixture.
8. Once the milk has thickened in about 3 minutes, put in the grated cheese and stir vigorously for a minute to thicken and complete the cheese sauce.
9. Pour cheese sauce onto prepared gratin tin.
10. And top off with sliced cheese.
11. Bake for 45 minutes in the oven at 200AF celsius.

flour, butter, milk, mozzarella cheese, onion, potatoes, cheese slice

Taken from cookpad.com/us/recipes/360465-easy-yummy-potato-gratin (may not work)