Ina Garten Potato, Fennel & Gruyère Gratin. You'll Need: potatoes, onion, fennel bulbs, olive oil, butter, heavy cream, Gruyere cheese, salt, and pepper. Carrisa Says - used one large fennel bulb instead of two small. Turned out wonderful! Hubby loved it! Definitely a keeper. Variation to try: nix fennel and add 50:50 potatoes and rutabega, and add 2 cloves of garlic.
Nothing says warmth and comfort like a creamy gratin fresh out of the oven, golden brown and bubbling on top. From potato and pimento cheese to fennel, red cabbage, and even Brussels sprouts, warm up your table with one of these 14 easy vegetable gratin recipes.