Keto Cheddar Crisp Onion Rings
Meet your new favorite keto snack. We take thick-cut sweet onion rings, nestle them into piles of shredded cheddar, and bake until the cheese turns into a golden, lacy, crunchy crust.
The onion gets sweet and tender in the middle. The cheese gets crispy and salty on the edges. It’s like a French onion soup meets a cheese crisp and they had a crunchy baby.
Ingredients
Makes 12 rings, ∼1g net carb per ring
Main ingredients:
1 large sweet onion or yellow onion
3 cups shredded cheddar cheese, sharp tastes best
1 tsp garlic powder
1 tsp smoked paprika, optional but amazing
1/2 tsp onion powder
1/4 tsp black pepper
For garnish: 1 tbsp dried parsley or chives, flaky salt
For dipping: Sugar-free ketchup, ranch, or sriracha mayo
Step-by-Step Instructions
Prep onion: Peel onion and slice into 1/2 inch thick rings. Separate into individual rings. Save the tiny inner pieces for another recipe. Pat rings dry with a paper towel. Wet onion = soggy cheese.
Season cheese: In a bowl, toss shredded cheddar with garlic powder, paprika, onion powder, and pepper.
Load the pan: Use a silicone muffin pan or a parchment-lined baking sheet. Add 1/4 cup seasoned cheese to each muffin cup, or make 3-inch mounds on the sheet. Make a small well in the center.
Add onion: Press one onion ring into each cheese pile. The cheese should come up the sides a bit.
Bake: Bake at 400°F for 12-15 min until edges are deep golden brown and bubbly. Watch closely after 10 min. Burnt cheese is sad.
Cool to crisp: This is key. Let them cool in the pan 10 min. The cheese firms up into a crisp as it cools. Then gently lift with a spatula.
Garnish + serve: Sprinkle with dried parsley and flaky salt. Serve hot for max crunch.
Pro Tips to Level It Up
Onion choice matters: Sweet onions like Vidalia have fewer carbs and get super tender. Yellow works too. Avoid red. They stay too sharp.
Dry your onions: After slicing, pat each ring with a paper towel. Any water makes the cheese steam instead of crisp.
Cheese swap: Use parmesan + mozzarella 50/50 for extra crispy rings. Or pepper jack if you want heat. Pre-shredded works because the anti-caking agents help it crisp.
No muffin pan? Use a parchment-lined baking sheet. Make cheese mounds and press rings in. They’ll spread more but still work.
Re-crisp: If they soften, pop back in a 375°F oven or air fryer for 3 min. Microwave = chewy, not crispy.
Make it a meal: Add a slice of cooked bacon or pepperoni under the onion ring before baking. Hello, flavor bomb.
