Green Beans Mushroom Casserole

Green Beans Mushroom Casserole 
Green Beans..................................2cups
Mushrooms...................................2cups
Milk..............................................2cups
Flour.............................................2tbsp
Butter............................................1tbsp
Black Pepper..................................1tbsp
Cheddar cheese or Parmesan........... 1cup
Salt to Taste
Garlic (Optional)
Method
Boil the beans in water with salt till it becomes tender.
In a small pan melt the butter add flour, whisk into paste.
Add milk and and make a sauce.
Heat a pan with oil add the onion ,salt, pepper then add beans and fry little and lastly add cut mushrooms and let it cool.
Mix the sauce with beans and mushroom in a baking tray.
Bake 350 degree for 20 minutes.
Spread the cheese on the top and bake 10 more minutes.