Cheesy Stuffed Mozzarella Onion Rings That Are Crispy, Melty, and Addictive

Introduction

Cheesy Stuffed Mozzarella Onion Rings are the ultimate upgrade to a classic appetizer, combining crispy battered onion rings with a gooey, melty mozzarella center. This recipe takes everything you love about onion rings and pushes it to the next level by adding rich cheese tucked between layers of sweet onion. The contrast is irresistible: crunchy coating on the outside, tender onion in the middle, and stretchy cheese at the center. I first made these for a casual movie night, and they quickly stole the spotlight from the main dish. What makes them especially appealing is how indulgent they feel while still being straightforward to prepare at home. Whether served as a party appetizer, game-day snack, or fun side dish, these onion rings deliver bold flavor, satisfying texture, and that dramatic cheese pull everyone loves.

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Cheesy Stuffed Mozzarella Onion Rings That Are Crispy, Melty, and Addictive


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  • Author: Emma
  • Total Time: 1 hour
  • Yield: 12 stuffed onion rings
  • Diet: Vegetarian

Description

Cheesy Stuffed Mozzarella Onion Rings are crispy, golden onion rings filled with stretchy mozzarella cheese—an irresistible appetizer or snack.


Ingredients

  • 2 large onions, cut into thick rings
  • 8 mozzarella cheese sticks, cut in half
  • 1 cup all-purpose flour
  • 2 large eggs
  • 2 tablespoons milk
  • 1 1/2 cups breadcrumbs
  • 1/2 cup panko breadcrumbs
  • 1 teaspoon garlic powder
  • 1 teaspoon paprika
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • Oil for frying


Instructions

  1. Separate onion slices into rings and match similar-sized rings together.
  2. Place a piece of mozzarella between two onion rings to form a stuffed ring.
  3. Set up a breading station with flour in one bowl, eggs and milk whisked in another, and breadcrumbs mixed with panko and seasonings in a third.
  4. Dredge each stuffed onion ring in flour, then egg mixture, then breadcrumb mixture.
  5. Repeat breading once more for extra crispiness.
  6. Place breaded rings on a tray and freeze for 30 minutes.
  7. Heat oil in a deep pan to 350°F (175°C).
  8. Fry onion rings in batches for 2–3 minutes until golden brown.
  9. Remove and drain on paper towels.
  10. Serve hot with dipping sauce.

Notes

  • Freezing helps prevent cheese from leaking.
  • Use low-moisture mozzarella for best results.
  • Can be baked or air-fried as a lighter option.
  • Prep Time: 20 minutes
  • Cook Time: 10 minutes
  • Category: Appetizer
  • Method: Frying
  • Cuisine: American

Why You’ll Love This Recipe

These onion rings are extra crispy, packed with melty cheese, and perfect for sharing. They are crowd-pleasing, fun to make, and far more impressive than standard onion rings, while still using familiar ingredients.

Ingredients

(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)

Large onions form the base of the recipe. Sweet or yellow onions work best for balanced flavor and sturdy rings.

Mozzarella cheese creates the gooey, stretchy center that defines these onion rings.

All-purpose flour helps the coating adhere and creates the first layer of crispness.

Eggs act as a binding agent, allowing the breadcrumbs to stick evenly.

Breadcrumbs or panko provide a crunchy outer coating. Panko gives extra crisp texture.

Salt enhances the flavor of the onions and cheese.

Black pepper adds mild warmth and seasoning.

Paprika contributes subtle smokiness and color to the coating.

Garlic powder adds savory depth without overpowering the onion flavor.

Oil is used for frying and ensures a golden, crispy exterior.

Directions

Begin by slicing the onions into thick rings and separating them carefully. Cut mozzarella into slices sized to fit between two onion rings. Sandwich a slice of mozzarella between a larger and smaller onion ring to create a stuffed ring. Place the assembled rings in the freezer briefly to firm up. Set up a breading station with flour in one bowl, beaten eggs in another, and breadcrumbs mixed with salt, pepper, paprika, and garlic powder in a third. Dredge each stuffed ring in flour, dip into egg, then coat thoroughly in breadcrumbs. Repeat the egg and breadcrumb step for extra crispness. Heat oil in a deep pan to frying temperature and fry the rings until golden brown and crispy. Drain on paper towels and serve hot.

Equipment needed :

Must-Have Tools to Get Rolling
Here’s what you’ll want to have on hand:

Silicone Spatula – Durable, heat-resistant silicone spatula perfect for mixing, scraping, and spreading. Gentle on non-stick cookware and easy to clean.

Large pot – You’ll need this to boil the whole cabbage head and soften the leaves.

large bowl –Spacious, durable large bowl ideal for mixing, serving, or food preparation. Made from sturdy material and easy to clean.

Sharp knife – For coring the cabbage and slicing out the thick stem in each leaf. A paring knife works best.

Mixing bowl – A big bowl makes it easier to combine your meat and rice filling evenly.

Cutting board – For prepping cabbage leaves and rolling them like a pro.

Full-Size Blender – is a powerful kitchen appliance for making smoothies, soups, and sauces in large batches.

 3-in-1 Air Fryer – This versatile 3-in-1 air fryer offers Air Fry for healthier meals with less oil, Bake for bakery-quality desserts and treats, and Reheat to bring leftovers back to life with crispy, flavorful results

Servings and timing

This recipe serves four to six people as an appetizer. Preparation takes about 25 minutes, with a cooking time of approximately 10 minutes.

Storage/reheating

Cheesy Stuffed Mozzarella Onion Rings are best enjoyed fresh. Leftovers can be stored in the refrigerator for up to two days. Reheat in an oven or air fryer to restore crispness. Microwaving is not recommended as it softens the coating.

Variations and Customizations

Cheesy Stuffed Mozzarella Onion Rings are easy to customize. I have tried using pepper jack cheese for a spicier version, which adds a nice kick. Adding grated Parmesan to the breadcrumb mixture enhances savory depth. For a baked or air-fried version, spray the breaded rings lightly with oil and cook until golden and crisp, though the texture will be slightly different from deep-fried. You can also experiment with seasoned breadcrumbs or add Italian seasoning for a herbed flavor profile. Serving them with marinara, ranch, or spicy aioli takes them even further.

Nutrition and Dietary Info

This dish is an indulgent appetizer, rich in fats and carbohydrates. It is best enjoyed in moderation. Portion control and pairing with lighter dishes can help balance the meal.

Expert Tips & Customizations

Freeze before frying
Chilling the rings helps prevent cheese from leaking.

Double breading
A second breadcrumb coating ensures maximum crispness.

Oil temperature
Maintain steady heat to avoid greasy onion rings.

FAQs

Can I make these ahead of time?

You can assemble and bread them ahead, then fry just before serving.

What cheese works best?

Low-moisture mozzarella melts well without excess leakage.

Can I bake these instead of frying?

Yes, though frying gives the crispiest result.

Why did my cheese leak out?

The oil may have been too cool or the rings not sealed well.

Can I air fry them?

Yes, cook until golden, turning once.

Are these kid-friendly?

Yes, they are very popular with children.

What dipping sauces pair best?

Marinara, ranch, and garlic aioli work well.

Can I use frozen onion rings?

No, fresh onion rings are required for stuffing.

How thick should the onion rings be?

Thick-cut rings work best for stuffing.

Can I make them gluten-free?

Use gluten-free flour and breadcrumbs.

Conclusion

Cheesy Stuffed Mozzarella Onion Rings are a bold, indulgent appetizer that transforms a familiar favorite into something unforgettable. With their crunchy exterior and molten cheese center, they are guaranteed to impress guests and satisfy cravings whenever you want something fun, crispy, and irresistibly cheesy.

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