12 blue onion gratin Recipes

oil, butter, onions , halved then sliced, white button mushrooms, sliced (can use more mushrooms), russet potatoes (peeled and sliced very thin, about 1/8-inch thick ), whipping cream, blue cheese, crumbled (can use less blue cheese), mozzarella cheese, grated, salt and pepper

olive oil, onions (3 medium), halved lengthwise, then thinly sliced crosswise, russet (baking) potatoes (about 4), heavy cream, maytag blue cheese, crumbled (1 cup), whole-milk mozzarella, coarsely grated (1 cup), salt, black pepper

cubed peeled butternut squash (about 2 lb), white bread, olive oil, divided, sliced onion, chopped fresh sage, salt, freshly ground black pepper, crumbled blue cheese

butter, chopped mixed wild mushroom (cremini, shiitake, and oyster), sliced onion, fresh thyme, chopped (optional), all-purpose flour, cream, beef stock, reduced sodium, thick slices baguette, gruyere cheese, blue cheese, crumbled, chives, finely chopped

white turnips, sliced paper thin, yellow onion, sliced thin, butter, melted, heavy cream, anchovy fillets, chopped fine, freshly grated nutmeg, pepper, crumbled roquefort or other blue cheese

soft butter, waxy potatoes sliced into matchsticks, onion - diced, bay leaf, smoked bacon - diced, dry white wine, brie or camembert cheese - cubed, creamy blue cheese - cubed

olive oil, onion (3 medium), russet potatoes (about 4), heavy cream, blue cheese, crumbled (1 cup), whole milk mozzarella, coarsely grated (1 cup), salt, black pepper

margarine, all-purpose flour, whipping cream, whole milk, salt, ground white pepper, ground nutmeg, crumbled blue cheese, minced garlic, sliced onion, separated into rings, red potatoes, peeled and thinly sliced, frozen artichoke hearts, thawed and drained, shredded white cheddar cheese

butter, melted, fresh breadcrumb, butter, melted, dried sage, cream, milk, nutmeg, garlic cloves, crushed, potatoes, peeled and finely sliced, fresh pumpkin, peeled and finely sliced, onion, peeled and finely sliced, blue cheese, chopped, salt & pepper

potatoes, peeled , parboiled, and thinly sliced, cooked broccoli, drained well (cooked only until firm-tender, but good to garnish with!) (optional), monterey jack cheese, grated, coarsely crushed potato chips, canned sliced mushrooms, pimento pepper, sliced, butter, minced fresh garlic clove, green onions, sliced, flour, half-and-half cream or 1 1/2 cups full-fat milk, buttermilk, room temperature, pepper, mayonnaise, dijon mustard, worcestershire sauce, chopped fresh parsley, crumbled blue cheese, divided