When the cold weather rolls in, there’s nothing better than filling your home with the rich, savory aroma of something baking in the oven. And if you’ve never tried baked onion recipes, you’re seriously missing out. Onions get sweeter and more flavorful
when baked, making them the perfect ingredient for hearty winter dishes. Whether you’re looking for a cozy side dish, a crunchy snack, or a comforting main course, these baked onion recipes will warm you up from the inside out. As one of the world’s oldest vegetables, they are also packed with nutrition to keep you and your family healthy
French Onion Soup—The Ultimate Cold-Weather Comfort Food
Few things hit the spot on a freezing day like a steaming bowl of French onion soup. The slow-cooked onions turn rich and sweet, blending perfectly with the deep flavors of beef broth. But the real magic happens in the oven—when you top it with a thick slice of crusty bread and a blanket of melted Gruyère cheese, then bake until it’s golden and bubbling.
How to make it:
Slowly caramelize sliced onions in butter until they’re deep golden brown.
Pour in beef broth and a splash of wine for extra depth. Simmer until everything is rich and flavorful.
Ladle the soup into oven-safe bowls, top with toasted bread and cheese, then bake until perfectly melty.
Serve it hot and let that cheesy, oniony goodness warm you right up.
If you’re trying to save on your gas bill, your slow cooker can whip you up some French Onion Soup while you sleep or work.
This Slow-Cooker French Onion Soup may be just what you need.
Baked Stuffed Onions—Fancy But Surprisingly Easy
If you’re looking for a dish that feels a little special but isn’t a pain to make, stuffed onions are the way to go. They’re like little edible bowls filled with deliciousness. You can stuff them with anything—breadcrumbs, sausage, mushrooms, cheese—whatever suits your mood. Once they bake, the onions turn soft and sweet, and the filling gets crispy on top.
How to make them:
Start by softening whole onions in boiling water, then hollow them out.
Mix the scooped-out onion with breadcrumbs, Parmesan, and your choice of protein or veggies.
Stuff the mixture back into the onions, drizzle with olive oil, and bake until tender and golden.
These are great as a side dish, but honestly, they’re good enough to be the star of the meal. We have many stuffed onion recipes to choose from: Roasted Onions with Herb Butter Sauce.
Crispy Baked Onion Rings—All the Crunch, None of the Guilt
Love onion rings but don’t love deep-frying? Baked onion rings are just as crispy and delicious—without the mess or the extra oil. Plus, they make a great snack for game day or a fun side for burgers and sandwiches.
How to make them:
Slice onions into thick rings and dip them in flour, egg, and seasoned breadcrumbs.
Arrange them on a baking sheet and bake at high heat until golden brown.
Serve them with your favorite dipping sauce (garlic aioli, ranch, or even ketchup), and watch them disappear.
Baked Onion Casserole—The Side Dish You Didn’t Know You Needed
If you’ve never had onion casserole, you’re in for a treat. Think of it like a cheesy, creamy, onion-filled gratin—it’s rich, savory, and perfect for serving alongside a roast or as part of a holiday spread.
How to make it:
Sauté sliced onions until they’re soft and just starting to caramelize.
Layer them in a baking dish with a mix of cream, cheese, and a little nutmeg for extra warmth.
Bake until the top is bubbly and golden.
It’s pure comfort food, and you’ll probably want to make extra because everyone will be asking for seconds. This Savory Rice-Nut Casserole is perfect for the vegetarians in your life.
Try this Walla Walla Sweet Onion Upside-Down Cornbread, for some down-home comfort food.
Sweet Onion Upside-Down Cornbread
Turn On the Oven for some Delicious
Baked Onions Recipes
Winter is the perfect season to experiment with baked onion recipes. Whether you’re in the mood for something rich and cheesy like French onion soup, a fun snack like baked onion rings, or a hearty dish like stuffed onions, there’s something on this list for you. So crank up the oven, grab some onions, and let’s get cooking—your kitchen is about to smell amazing.
