Don't you just love those "make ahead" casseroles? It just seems so much easier sometimes to throw together a few ingredients, pop it in the fridge overnight, then voila! Dinner is ready to throw in the oven when the family's ready to eat.
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You'll also like the fact that you can use up some leftovers with this simple casserole. Use any vegetables you happen to have in the fridge. This is also a great recipe to plan when you make a big pot roast with the intentions of having extra meat for another meal.