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This crispy mozzarella-filled onion ring dish is my go to when guests drop by unexpectedly or when my kids are craving something cheesy and satisfying without a lot of fuss. It is the perfect indulgent treat that balances crunch with melted comfort.
I first made this when my neighbor popped over unannounced and I needed a quick snack that felt like more than chips. She asked for the recipe before she left.
Ingredients
- Large onion: thick rings give structure and create the perfect pocket for stuffing
- Mozzarella cheese sticks: melt easily and stretch for that classic pull
- Whole milk: helps loosen the batter for even coating
- Egg: acts as a binder to bring the wet ingredients together
- Panko breadcrumbs: ensure an extra crispy finish compared to regular crumbs
- Cooking oil: must be neutral and high heat stable like canola or vegetable
- Toothpicks: are essential for securing the rings while frying
- Baking powder: helps the batter puff slightly during frying
- All purpose flour: provides a base for both dredging and batter
- Fine salt: enhances all the other flavors and balances the richness
Step-by-Step Instructions
- Assemble the Onion Cheese Rings:
- Pair two onion slices one smaller and one larger then insert the smaller into the larger leaving a small gap Fill the gap with mozzarella cut to size and secure the structure with a toothpick
- Mix the Dry Coating:
- Combine flour baking powder and salt in a bowl Stir thoroughly to distribute the leavening and seasoning evenly Coat the filled onion rings in the dry mix and set them on a wire rack
- Prepare the Batter:
- Whisk milk with the beaten egg until fully blended Pour into the leftover dry mix and stir gently until a smooth thick batter forms
- Coat with Breadcrumbs:
- Dip each flour coated onion ring into the batter letting excess drip off Then press into a shallow bowl of Panko breadcrumbs until evenly coated Return to the wire rack to set briefly
- Fry to Golden Perfection:
- Heat oil in a deep pot to around 350 degrees Fahrenheit Fry the rings in batches turning once until both sides are deeply golden Drain on a paper towel lined plate
- Finish and Serve:
- Remove the toothpicks carefully Serve immediately while hot with a small bowl of warm marinara sauce
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I love how the Panko creates that unmistakable crunch you hear when you bite in One time we had friends over and the plate was gone in minutes even before I could set down the sauce
Storage Tips
These onion rings are best eaten fresh but you can refrigerate leftovers in an airtight container for up to two days Reheat in an oven or air fryer at 375 degrees Fahrenheit to restore crispiness Avoid microwaving as it softens the texture
Ingredient Substitutions
Swap mozzarella with pepper jack for a spicy version or use provolone for a more subtle melt Gluten free flour and breadcrumbs can be used but they may yield slightly different crispness
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Serving Suggestions
These are perfect as a starter before a barbecue dinner or served as a snack during movie night A little side salad can help balance the richness
Cultural Context
Deep fried cheese dishes have been a comfort food staple across many American diners and fairgrounds These stuffed onion rings are a fun take on mozzarella sticks inspired by carnival food culture
Recipe FAQs
- → How do I keep the cheese from leaking during frying?
Secure the mozzarella between onion rings with toothpicks and double-coat them to prevent cheese from escaping while frying.
- → Can I use different cheese types?
Yes, but choose firm melting cheeses like provolone or pepper jack for similar structure and melt quality.
- → Is there a gluten-free option?
Substitute regular flour and breadcrumbs with certified gluten-free versions for a gluten-free variation.
- → How can I make them crispier?
Ensure each ring is well-coated and use a double coating process—flour, batter, then breadcrumbs—for extra crunch.
- → Can I prep these ahead of time?
Yes, you can assemble and refrigerate the rings before frying. Fry just before serving for best texture.
- → What’s the best dipping sauce?
Marinara is a classic choice, but ranch or spicy aioli also pair well with the cheesy rings.