Easy Keto Onion Rings

Keto onion rings are a crunchy and satisfying low-carb snack made with almond flour, Parmesan cheese, eggs, and avocado oil for a golden, crispy coating without traditional flour. The onions stay tender and slightly sweet inside, while the exterior fries up beautifully in high-heat avocado oil for maximum crunch and minimal greasiness. Enjoy these guilt-free onion rings as a snack, appetizer, or side dish with your favorite keto-friendly dips and main courses.

Course Appetizer, Side Dish, Snack

Cuisine American, Keto, Low Carb

Keyword almond flour onion rings, fried keto appetizer, keto onion rings, keto snack, low carb onion rings

Prep Time 20

Cook Time 15

Total Time 35

Servings servings

Calories 290kcal

Equipment

Cutting board
Sharp knife
Mixing Bowls
Shallow dishes
Whisk
Tongs
Deep skillet or Dutch oven
Candy or deep-fry thermometer
Wire rack
baking sheet
Paper towels

Ingredients

Onions

1 large sweet onion peeled and sliced into 1/2 inch thick rings, inner small pieces separated

Egg wash

2 large eggs beaten
2 tablespoons heavy cream

Keto coating

3/4 cup blanched almond flour fine texture preferred
1/4 cup grated Parmesan cheese powdery, shelf-stable style or very finely grated
1/4 cup crushed pork rinds crushed very fine, about breadcrumb texture
1 teaspoon smoked paprika
1 teaspoon garlic powder
1/2 teaspoon onion powder
1/2 teaspoon fine sea salt plus more to taste
1/4 teaspoon ground black pepper

For frying

2 cups avocado oil or enough to reach about 1 inch depth in the pan

Instructions

Line a baking sheet with paper towels and place a wire rack on top so the fried onion rings can drain and stay crisp.
Peel the onion, slice it into 1/2 inch thick rounds, and gently separate the slices into individual rings, reserving the smaller center pieces for another use or for extra small rings.
Pat the onion rings very dry on all sides with paper towels to help the coating adhere and prevent sogginess.
In a shallow dish, whisk together the eggs and heavy cream until completely smooth to make the egg wash.
In a separate shallow dish, combine the almond flour, grated Parmesan, crushed pork rinds, smoked paprika, garlic powder, onion powder, salt, and black pepper, stirring well to evenly distribute the seasonings.
Set up a breading station with the dried onion rings on one side, the egg wash in the center, and the keto coating mixture on the other side.
Dip each onion ring into the egg wash, letting any excess drip off, then press it into the coating mixture to fully cover, gently shaking off loose crumbs and placing the coated ring on a plate.
For extra crunch, repeat the process by dipping each coated ring back into the egg wash and then again into the coating mixture for a second layer, returning them to the plate.
Pour avocado oil into a deep skillet or Dutch oven to reach about 1 inch depth and heat over medium to medium high heat until the oil reaches about 350°F, using a thermometer to monitor the temperature if possible.
Carefully place a few coated onion rings into the hot oil without crowding the pan and fry for about 2 to 3 minutes per side until deeply golden brown and crisp, adjusting the heat to maintain steady bubbling without smoking.
Use tongs to transfer the fried onion rings to the prepared rack, immediately sprinkling with a pinch of extra salt while they are still hot for maximum flavor.
Repeat frying with the remaining onion rings, allowing the oil to return to temperature between batches so the coating stays crisp and does not absorb excess oil.
Serve the keto onion rings hot with your favorite keto friendly dipping sauces such as ranch, garlic aioli, or sugar free ketchup.

Notes

For the crispiest texture, crush the pork rinds to a very fine breadcrumb consistency using a food processor or a zip top bag and rolling pin. If you prefer baking instead of frying, arrange the double coated onion rings on a parchment lined baking sheet, spray lightly with avocado oil, and bake at 400°F until golden and crisp, flipping once, though they will not be quite as crunchy as the fried version. Leftover onion rings can be cooled completely, stored in an airtight container in the refrigerator for up to 3 days, and reheated in an air fryer or hot oven until re crisped. Choose a sweet onion for a milder flavor, or use yellow onion for a more pronounced onion bite while still keeping carbs low, and adjust seasonings to taste with extra paprika or a pinch of cayenne if you like a spicy kick.

Nutrition