Make Ahead Ham and Cheese Breakfast Casserole Recipe. Use up leftover Thanksgiving, Christmas, Easter -- whatever holiday -- ham with this DELICIOUS EASY breakfast or brunch bake. Great for a crowd of in-laws and overnight guests for parties. It may just be the very BEST brunch of all brunch recipes EVER! Also great for dinners and meals in the evening. You'll need bread, onion, bacon or pancetta, eggs, milk, Gruyère cheese, and a few more ingredients.
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