Cheesy Sourdough Onion Rings

Forget those drive-thru onion rings! We’re frying up some honkin’ big, cheesy onion rings today with a crunchy sourdough crust.

This little fellers are something different that sure think you’ll love. Shannon loves onion rings and pretty much anything with cheese in it, so we brought those two together for this recipe.

Go on and get yourself some onions and our sourdough starter (recipe can be found here) and let’s get cooking.

Cheesy Sourdough Onion Rings


  • 1 large yellow onion cut into rings
  • Sliced cheese we used Mozarella and Pepper Jack, cut into strips the width of the onion rings
  • 2 cups all-purpose flour
  • 2 tablespoons cornstarch
  • 1 teaspoon ground mustard
  • 1 teaspoon garlic powder
  • 1 teaspoon smoked paprika
  • 4 tablespoons Red River Ranch Original or all-purpose seasoning of your choice, to taste
  • 2 cups Sourdough starter link above
  • 2 cups Panko bread crumbs
  • Oil for frying


  • Section out the rings of the onion, keeping them in pairs.
  • Take two rings and place the cheese slices in between the two rings. Repeat with remaining rings/cheese. Cover and freeze for about 20 -30 minutes.
  • Meanwhile, mix the flour, cornstarch, mustard, garlic, smoked paprika and Red River Ranch Original in a bowl.
  • Dip the onion rings in the starter to coat thoroughly, then dredge through the flour mixture. Go back to coat in the starter and end by coating with the Panko crumbs.
  • Place enough oil in a Dutch oven or skillet to deep fry the rings. Heat over medium-high heat to 350 degrees F. Fry each side for 2 – 3 minutes or until golden brown. Cool on a wire rack. Serve warm.
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 See this recipe in action…