Last week I posted about a delicious breakfast casserole.  I had a group of people over this morning, and I found out yesterday that one of my guests has to eat gluten free meals.  I converted the breakfast casserole into a gluten free casserole and it was delicious.  I am posting the gluten free version Gluten Free Breakfast Casserole 12 oz. cooked sausage, cooked bacon, or smoked ham 8 eggs beaten 2 cups of milk 1 small onion diced 1…