4 cheesy easy gratin Recipes

unsalted butter, plus extra for topping (start with 3, then see how much more you want to put in), yellow onions, cut in 1/2 and sliced, garlic cloves, minced (optional), zucchini, sliced 1/4-inch thick (about 4 zucchini), kosher salt (or sea salt to taste), fresh ground black pepper, ground nutmeg, all-purpose flour, hot milk, panko breadcrumbs (or italian breadcrumbs), grated gruyere cheese (or gouda, cheddar, swiss or parmesan)

broccoli and cheese flavored rice mix (i use uncle ben s au gratin), boiling water, boneless skinless chicken breasts , about 1 lb, garlic powder, frozen broccoli, shredded low-fat cheddar cheese (4 oz)

margarine, butter, onion, chopped, garlic clove, finely chopped, flour, low-fat milk, chicken broth, fresh ground black pepper, shredded sharp cheddar cheese, divided, yukon gold potatoes, peeled and very thinly sliced, italian parmesan flavored breadcrumbs