
These crispy onion rings are coated in a beer batter and served with a creamy mayo-based dipping sauce. Whether you would like to serve these as an appetizer, snack, or side dish, onion rings are a favorite for a reason; they are crispy and full of sweet onion flavor.
To begin making homemade onion rings, you make a batter by mixing flour with beer and salt. Then, sliced onion rings are dipped into the batter followed by the flour before being fried. Meanwhile, while the onion rings are cooking, you make a homemade mayonnaise by blending egg with vegetable oil, lemon juice, and salt.
What are Crispy Onion Rings?
Onion rings is a classic side dish that involves coating sliced onions with a batter or breadcrumb coating before frying. Often, they are served with hamburgers in fast food restaurants or as an appetizer. This version involves a beer batter with flour, beer, and seasonings, which is easy to adhere to the onions.
Pro Tips
- Use a whisk to mix the batter to ensure it is free of lumps.
- Clip an instant-read thermometer on the side of the pot so you can determine the temperature of the oil.
- Feel free to use either white or red onions for this crispy onion ring recipe.
- If you don’t have an immersion blender, you could also make the mayonnaise in a food processor or blender.
- Use pasteurized eggs for the mayonnaise if you are concerned about salmonella.
Frequently Asked Questions
How Do You Get Batter to Stick to the Onion Rings?
The key is to use a batter that is thick enough that it will adhere to the onion rings. The mixture of flour and beer in this recipe is perfect for coating the onion rings before frying.
What Kinds of Onions Should You Use to Make Onion Rings?
This crispy onion ring recipe can be made with any type of onion that you prefer such as red onion, white onion, or Vidalia onion.
Can I Add Other Ingredients to the Mayonnaise?
Yes, if you would like to serve the onion rings with a flavored mayonnaise, you definitely could. Simply add some chopped herbs to the mayonnaise for an herbed dip or stir some sriracha into the mayo if you would like to make it spicy.
How to Store Crispy Onion Rings
If you have any onion rings leftover, you can store them in a covered container in the fridge until you are ready to serve them. While they won’t be as crispy, you can warm them up in the oven or an air fryer to re-crisp them.
Ingredients
How to Make Crispy Onion Rings

Slice the onion and dredge it in flour.
Slice the onion and dredge it in flour.

Whisk the flour with the beer and salt until combined. Heat the oil in a pot until it is 338 F (170 C).
Whisk the flour with the beer and salt until combined. Heat the oil in a pot until it is 338 F (170 C).

For the mayonnaise, use an immersion blender to blend the egg with the vegetable oil until the mixture is thick and completely emulsified. In a bowl, stir the mayonnaise with the herbs, lemon juice, and salt.
For the mayonnaise, use an immersion blender to blend the egg with the vegetable oil until the mixture is thick and completely emulsified. In a bowl, stir the mayonnaise with the herbs, lemon juice, and salt.

Dip the onion slices in the batter followed by the flour.
Dip the onion slices in the batter followed by the flour.

Fry the onion rings until golden brown.
Fry the onion rings until golden brown.

Serve the onion rings with the mayonnaise.
Serve the onion rings with the mayonnaise.