Double-dipped for an extra crunchy coating without deep-frying.
It was always a special treat when my mom made homemade onion rings. Unlike most recipes that are deep-fried, she baked hers in the oven until they were beautifully golden and crisp. They had a crunchy coating on the outside while the onions became sweet and tender on the inside.
One of her secrets was double-dipping the onion rings. She would coat each ring in flour, dip it in buttermilk, coat it in seasoned flour, then repeat the buttermilk and seasoned flour one more time. That extra coating created a wonderfully crispy crust without the need for deep-frying.
Simple recipes like this remind me that homemade food doesn't have to be complicated. With just a few pantry ingredients and a little extra care, my mom turned ordinary onions into a side dish everyone looked forward to.
Ingredients:
2 large sweet onions (Vidalia, Maui, or Walla Walla work best)
1 c. buttermilk (or regular milk)
1 c. flour divided
1 Tbs. cornstarch
½ tsp. garlic powder
½ tsp. paprika
¼ tsp. cayenne pepper (optional for heat)
Salt and pepper to taste
Olive oil spray
Directions:
Preheat the oven to 400°F. Line a large baking sheet with parchment paper and lightly coat it with olive oil cooking spray.
Place 1/4 cup of the flour into a small bowl.
Pour the buttermilk into a second bowl.
In a third bowl, combine the remaining 3/4 cup flour, cornstarch, garlic powder, paprika, cayenne pepper (if using), salt, and black pepper.
Peel the onions and slice them into 1/2-inch thick rounds. Carefully separate them into rings.
Dip each onion ring into the plain flour, coating both sides. Shake off any excess.
Dip the floured onion ring into the buttermilk, allowing the excess to drip off.
Coat the ring thoroughly in the seasoned flour mixture, gently shaking off any excess.
Repeat the process by dipping the coated ring back into the buttermilk, then once again into the seasoned flour. Gently press the coating onto the onion ring to help it adhere.
Place the coated onion rings on a wire rack or large plate and let them rest for 5 to 10 minutes. This helps the coating stick during baking.
Arrange the onion rings in a single layer on the prepared baking sheet without overlapping. Place the larger rings around the outside of the pan and the smaller rings toward the center for more even browning.
Spray the tops of the onion rings generously with olive oil until no dry flour remains visible.
Bake for 18 to 22 minutes, turning the onion rings over halfway through baking (about 9 to 11 minutes). Spray the second side lightly with olive oil if needed.
Continue baking until the coating is crisp and golden brown and the onions are tender.
Serve immediately while hot and crispy.
Mom's tip: If you want the coating to become even crispier, you can place a wire baking rack on top of the baking sheet and bake the onion rings on the rack. The hot air circulates all the way around the rings, making the bottoms just as crisp as the tops.
Tips for Best Success:
- Choose sweet onions such as Vidalia, Walla Walla, or Maui for the best flavor.
- Slice the onions evenly so they bake at the same rate.
- Let the coating rest before baking to help it stay on the onions.
- Spray generously with olive oil—any dry flour will stay pale instead of browning.
- Don't overcrowd the baking sheet.
- Turn the onion rings halfway through baking for even crispness.
- Serve immediately for the crispiest texture.
Variations and Substitutions:
- Mix 1/4 cup grated Parmesan cheese into the seasoned flour for extra flavor.
- Use your favorite gluten-free all-purpose flour blend.
- Replace 1/4 cup of the flour with finely crushed cornflakes or panko breadcrumbs in the seasoned coating.
Italian Style: Add,
- 1 teaspoon Italian seasoning
- 1/2 teaspoon dried oregano
Spicy Onion Rings:
- Increase the cayenne pepper or add:
- Chipotle powder
- Cajun seasoning
- Crushed red pepper flakes
Serving Suggestions:
These onion rings pair wonderfully with:
- Homemade hamburgers
- Cheeseburgers
- BBQ sandwiches
- Pulled pork
- Grilled chicken
- Meatloaf
- Hot dogs
- Sloppy Joes
- Homemade ranch dressing
- Barbecue sauce
- Honey mustard
- Comeback sauce
How to Store:
Refrigerator: Store leftovers in an airtight container for up to 3 days.
Reheating: Bake at 375°F for 5–8 minutes or air fry for a few minutes until crisp again.
Freezing is not recommended after baking because the coating loses its crispness.
Frequently Asked Questions:
Why double dip the onion rings?
Double-dipping creates a thicker coating that bakes up crispier and stays on the onion better.
Can I use regular onions?
Yes, but sweet onions have a milder flavor and become wonderfully tender when baked.
Can I make these ahead of time?
You can coat the onion rings several hours ahead and refrigerate them until you're ready to bake.
Can I make these in an air fryer?
Yes. Cook at 375°F for about 10–14 minutes, turning halfway through.
Why didn't my onion rings get crispy?
Usually they needed a little more olive oil spray or were crowded on the baking sheet.






