35 au gratin recipes

Flounder au gratin baked under a creamy Swiss cheese sauce with scallions and celery. A light, elegant fish dinner ready in 40 minutes.

Asparagus au gratin with Swiss cheese, buttery bread crumbs, and dry mustard. Blanched crisp-tender then baked golden in 20 minutes total. A quick, elegant side.

Creamy potatoes au gratin layered with thin-sliced potatoes, heavy cream, melty cheese, and crumbled bacon, then baked until bubbling and golden. A rich, crowd-pleasing holiday side dish.

Loaded potatoes au gratin with tangy buttermilk blue cheese sauce, sliced mushrooms, Monterey Jack, and a crushed potato chip topping. Rich, layered, and unforgettable.

Cheddar tuna au gratin with a paprika-spiked cheese sauce, cottage cheese for extra protein, and buttered bread crumb topping. Old-school pantry casserole that comes together with everything in the cupboard.

Flaked tuna and cooked spinach baked with Parmesan, bread crumbs, lemon juice, and mayo until golden and bubbly. Serve in individual gratin shells or a pie plate for a simple, protein-packed weeknight dinner in 30 minutes.

Rich and creamy seafood au gratin with shrimp, crab, artichoke hearts, Swiss cheese, and white wine. Ready in 30 minutes, this elegant dish serves 8 over rice or toast points.

Hot dogs and potatoes au gratin in a creamy Velveeta cheese sauce with peas and carrots. A budget-friendly kid-approved casserole with homemade white sauce baked until bubbly.

Vegan potatoes au gratin layers baked potato slices with sauteed onion, celery, and carrot in a cheesy plant-based gravy. Topped with paprika and nutritional yeast for that classic golden finish.

Green garlic soup au gratin with slow-sauteed spring garlic, beef broth, buttered toast, and melted Parmesan. A seasonal twist on French onion soup using young garlic stalks.

Belgian endive wrapped in ham and baked au gratin with a cheesy bechamel sauce, breadcrumbs, and fresh tomato slices. A classic Belgian comfort dish for dinner or an elegant appetizer.

Smoky corn and zucchini au gratin with chipotle peppers, Monterey Jack cheese, and a crunchy tortilla-cheese topping. A spicy Mexican-inspired vegetable casserole baked golden.

Baked artichoke hearts au gratin with just four ingredients: canned artichokes in Italian dressing, melty mozzarella, and a crunchy french fried onion topping. A fast, cheesy appetizer or side.

Slow cooker salmon chowder with bacon, au gratin potato mix, corn, and a creamy milk base. A shortcut crockpot chowder that uses boxed potatoes for built-in thickening and cheesy flavor.

Nacho cheese soup loaded with potatoes, corn, cheddar, and picante sauce. Uses an au gratin potato mix for a shortcut cheese base that's thick and rich.

Baked chicken Garibaldi pulls roasted chicken off the bone, drapes it in a red wine and mushroom gravy, blankets with Parmigiano, and bakes au gratin. Italian-American throwback finished with toasted almonds and parsley.