Caramelized Fennel and Onions Sliced onions and fennel, slowly cooked until lightly browned, tossed with Parmesan, lemon, and parsley. Caramelized Onion Dip Balsamic caramelized onions mixed with sour cream and mayo for a flavor-filled onion dip. Caramelized Onion English Muffin Pizzas Extra special English muffin pizza made with English muffins, grated Mozzarella cheese, diced ham, tomatoes, and caramelized onions. Caramelized Onion Quiche Rich and creamy quiche with caramelized onions and Gruyere cheese. Caramelized Onion Tart with Gorgonzola and Brie Crispy savory tart made with puff pastry, caramelized onions, and gorgonzola and brie cheeses. French Onion Soup Classic simple French onion soup recipe, with beef stock base, slow-cooked caramelized onions, French bread, gruyere and Parmesan cheese. How to Caramelize Onions How to slowly caramelize onions to bring out deep, rich, sweet flavor as the natural sugars in the onions caramelize. Video included. Purple Potatoes with Caramelized Onions and Shiitake Mushrooms Beautifully vibrant purple potatoes fried with caramelized onions and shiitake mushrooms. Roasted New Potatoes with Caramelized Onions and Truffle Oil Roasted new potatoes recipe with caramelized onions and truffle oil. An incredibly easy way to take roasted potatoes to whole new level of deliciousness. Rustic Onion Tart Rustic onion tart with caramelized red onions, Gruyere cheese, and a butter crust.