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buttermilk walla walla onion rings on white plate.

Buttermilk Walla Walla Onion Rings

Sweet Walla Walla onion rings marinated in buttermilk, coated in panko and fried until golden brown and crispy.
Prep Time 2 hrs 10 mins
Cook Time 15 mins
Total Time 2 hrs 25 mins
Course Easy Appetizer Recipes, Side Dishes
Cuisine American
Servings 4 Servings



  • 2 cups buttermilk
  • 2 eggs beaten
  • 1 teaspoon kosher salt
  • 1/4 teaspoon fresh cracked pepper
  • 1 large Walla Walla onion cut into 1/4 inch slices separated into rings
  • 1-1 1/2 cups flour
  • 1/2 -1 cup panko bread crumbs
  • 1 1/2 teaspoon seasoning salt
  • canola oil for frying

Quick Cajun Dip

  • 2 tablespoons mayonnaise
  • 2 tablespoons ketchup
  • 1 tablespoon sour cream
  • 1 teaspoon Cajun seasoning


  • In a bowl combine buttermilk, eggs, salt and pepper. Add onion rings, make sure they are covered with buttermilk mixture. Cover and refrigerate for at least 2 hours.
  • In a freezer bag combine flour, bread crumbs and seasoning salt.
  • Heat 1 inch of oil in a large sauce pan over medium heat.
  • Place several of the marinated onion rings in the bag. Seal. Shake bag to coat. Shake each onion ring to remove excess flour and bread crumbs. Repeat with remaining onions adding more panko or flour as needed.
  • Sprinkle a bit of flour into the oil, if it sizzles the oil is ready. Fry the onion rings in batches until golden brown, about 2-3 minutes. Be careful not to over crowd the pan. Transfer to paper towel lined plate. Sprinkle with kosher salt, if desired.
  • To make the quick Cajun dip, whisk all ingredients together.
  • Serve onion rings hot with quick Cajun dip.


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