Brown Rice Broccoli Casserole

• 1 tablespoon butter
• 1/4 cup flour
• 1 teaspoon mustard
• 1 cup skim milk
• 2.5 cups cheddar cheese
• 3 cups brown rice raw
• 3 cups broccoli cooked
• Salt and pepper to taste

Preheat oven to 350. Cook rice. Grease casserole pan, we used a 9 x 13 inch. Mix milk, mustard and season with salt and pepper, bring to a simmer 4 minutes, whisking occasionally. Whisk in flour until thickened. Add 2 cups of cheddar cheese; stir until mostly melted; remove from heat. Stir in rice and broccoli florets, pour into casserole pan, sprinkle remaining 1/2 cup cheese over top. Bake 30 minutes until browned.