
Cheesy onion rings are the ultimate snack for when you crave something extra special. These golden rings are packed with gooey mozzarella, enveloped in a crunchy shell, and make any get-together or lazy Saturday feel festive and fun. Each bite gives you that savory tang from onions plus the stretchy cheese pull that everyone loves.
I first tried making stuffed onion rings after craving both mozzarella sticks and crispy onions at the same time. Now these are my go-to choice for game-day snacks because everyone requests them.
Ingredients
- Large onion sliced into thick rings: Provides a sturdy shape and classic onion flavor Choose sweet yellow onions for milder taste
- Mozzarella cheese sticks: Perfect for melting and gives that signature cheese pull Look for good quality whole milk mozzarella if possible
- All-purpose flour: Helps dry and coat the rings creating a base for the batter Sift to avoid lumps
- Panko bread crumbs: Delivers ultra-crispiness Thicker and lighter than standard breadcrumbs for the best crunch
- Milk: Adds moisture and helps the batter stick Whole or low-fat both work
- Egg: Bind the batter and gives the coating color Fresh eggs help the crust puff up
- Baking powder: Ensures a light airy batter Always check that your baking powder is fresh for best results
- Fine salt: Balances the sweetness of onions and enhances cheese flavor Use sea salt for a cleaner taste
- Cooking oil: For perfect frying Use oil with a high smoke point like canola or sunflower
- Toothpicks: Keeps the stuffed rings intact during frying Opt for wooden over plastic picks
Step-by-Step Instructions
- Prep and Stuff the Onion Rings:
- Carefully pair onion rings so each set has one larger and one smaller with a gap between Place sliced mozzarella cheese in that empty space so it sits snugly Secure each ring with a toothpick to hold the cheese while frying This helps prevent leaking
- Mix the Dry Coating:
- In a large bowl stir together flour baking powder and salt Coat each stuffed onion ring well Shake off any excess and place finished rings on a wire rack for easy handling
- Prepare the Batter:
- Blend milk and beaten egg together Pour this into the bowl with any unused dry mix Stir until you have a smooth batter If batter seems thick add a splash of milk
- Double Dip and Bread:
- Dip each dredged onion ring into the batter Roll it gently to coat evenly Let extra batter drip off before pressing the rings into a plate of Panko breadcrumbs Make sure every side gets covered for best crunch
- Fry to Perfection:
- Fill a deep pot with about two inches of oil Heat to around 350 degrees Fahrenheit or until a crumb sizzles when tossed in Lower the coated rings in carefully Fry undisturbed until the bottom is golden then flip and fry the other side Use a slotted spoon or tongs to turn and remove them
- Finish and Serve:
- Let drained onion rings rest briefly on the wire rack Remove toothpicks while still hot Serve immediately with warm marinara sauce or dip of your choice

I am especially fond of using sweet onions because they turn surprisingly mellow inside their crispy shell My family loves watching the cheese stretch with each bite which always results in some good laughs around the table
Storage Tips
If you have leftovers let them cool completely before storing in an airtight container in the refrigerator They reheat best in a hot oven or air fryer for about five minutes to restore crispiness Avoid microwaving since it can make them soggy
Ingredient Substitutions
If you only have regular breadcrumbs use them but consider toasting lightly for added crunch Try swapping in pepper jack or cheddar cheese for a different twist Gluten free flour and gluten free Panko work well too
Serving Suggestions
Arrange onion rings in a tower for a playful presentation Marinara is classic but ranch dressing or aioli also taste wonderful Pair them with veggie burgers or inside wraps for extra flavor
History and Culture
While classic onion rings have been an American diner staple for decades stuffing them with cheese is a fun twist on two beloved appetizers Mozzarella sticks and onion rings are both party favorites and combining them creates a snack that is both familiar and exciting
Recipe FAQs
- → How do I prevent cheese from leaking out during frying?
Secure the mozzarella firmly between the onion rings with toothpicks, and ensure they're properly coated in batter and breadcrumbs to prevent melting cheese from escaping.
- → Can I use different types of cheese?
Yes, you may substitute mozzarella with cheddar or pepper jack for a unique flavor and melting quality. Adjust slices to fit the onion rings snugly.
- → Is it necessary to double coat the onion rings?
The double coating with flour and Panko breadcrumbs gives the onion rings a crispier texture and helps seal in the cheese. Skipping it may reduce crunchiness.
- → What dipping sauce pairs best with these rings?
Marinara sauce is a classic choice, but ranch dressing or garlic aioli also complement the cheesy and savory flavors well.
- → Can these be baked instead of fried?
For a lighter option, the rings can be baked at 425°F (220°C) until golden, though they may not be as crisp as traditionally fried versions.
- → How should leftovers be stored and reheated?
Store cooled onion rings in an airtight container in the fridge. Reheat in an oven or air fryer to maintain crispiness.