Rice, Broccoli, & Cheese Casserole

Ingredients:
1 cup rice, cooked
1 cup milk
10 ounces frozen broccoli, cooked
1/2 pound Velveeta cheese, cubed
1 small onion, diced
1 (10 3/4 ounce) can of cream of chicken soup
1 (4 ounce) can mushrooms

Instructions:
Mix everything in a big casserole dish. Bake at 375°F, for 45 minutes. Enjoy!