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+ servings

Guinness Beer Battered Onion Rings

Crispy Guinness beer battered onion rings with your favorite dips and sprinkle with Parmesan cheese
Course Appetizer
Cuisine American
Prep Time 20 minutes
Cook Time 4 minutes
Total Time 24 minutes
Servings 4 people
Calories 375kcal
Author Gerry Speirs


  • 1 1/2 quarts of canola oil
  • 1 large onion
  • 2 cups all purpose flour, divided
  • 1 ½ tsp baking powder
  • 2 tsp Cajun seasoning
  • 1/4 teaspoon kosher salt
  • 1/4 teaspoon cracked black pepper
  • 1 ¾ cups Guinness beer
  • 2 tbsp finely grated Parmesan
  • 1 tsp garlic powder


  • Using a deep frying thermometer, heat the oil in a deep pot until it reaches 375°
  • In a bowl, whisk together the 1 ½ cups of the flour, baking powder, Cajun seasoning, salt and pepper.
  • Add the beer to the flour mixture and whisk until all of the lumps have disappeared. It should be resemble a pancake batter consistency.
  • Peel the onion and slice into thick rings. Set the smaller inner rings to the side incase you don't want to use them.
  • Have a baking tray beside your pan lined with paper towel to absorb any grease.
  • Place the remaining ½ cup of flour in another bowl.
  • Once the oil is at the correct temperature, dip one ring at a time into the flour and tap to shake off the excess flour.
  • Dip the onion ring into the batter and coat completely. Tap the onion ring on the side of the bowl to shake of any excess batter.
  • Gently drop the onion ring into the oil and repeat until you have no more room left in the pan. don't overcrowd or they may stick together 3-4 max depending on the size.
  • Cook the onion rings for about 1-2 minutes each side or until golden brown always making sure to adjust the oil temperature to maintain 375°.
  • Using tongs, transfer the cooked rings from the oil to the paper towel and let them drain for a few minutes.
  • Repeat the process until you have cooked as many as you need.
  • Season them with some more salt and sprinkle some of the Parmesan on top.
  • Serve warm with your favorite dipping sauces.


Check the temperature of the oil frequently especially before adding more rings to cook, and adjust the heat to keep it at or around 365 degrees.
You can keep the cooked onion rings warm in a low set oven until you're ready to serve them.


Calories: 375kcal