Crispy Fried Onion Straws - Karyl's Kulinary Krusade
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5 from 14 votes

Crispy Fried Onion Straws

Crispy Fried Onion Straws are crispy, crunchy deliciousness in every bite! Seasoned and lightly breaded thin-sliced onions are pan-fried to golden perfection. They're so delicious as a snack, side, or on top your favorite burger! 
Prep Time10 mins
Cook Time10 mins
Total Time20 mins
Course: Snack
Cuisine: American
Keyword: Breaded Onion Straws, Fried Onions
Servings: 4
Calories: 137kcal
Author: Karyl




  • In a bowl, combine mayonnaise, mustard, garlic, lemon and paprika. Mix well, and season to taste with salt & pepper. Allow to rest in fridge until ready to use
  • Slice onion into 1/4" slices using mandoline. Separate onion pieces and place into large bowl. Add buttermilk, and rest in fridge
  • Soak onions in buttermilk for one hour. Drain buttermilk well from onions
  • FOR EASY, HANDS-FREE BREADING: Use a Tupperware-like container that has a cover!
  • Add flour, onion powder, garlic powder, paprika, cayenne pepper, and chili powder into container. 
  • Using tongs or a fork, transfer onions in batches into flour mixture. Cover with lid, and shake vigorously. Transfer seasoned onions to a plate
  • Add enough oil for a 1/2" depth and heat in large fry pan. Test the oil with a small piece of onion: when onion immediately begins to bubble and raises to the surface, the oil is hot enough
  • Add onions in batches to fry pan. Don't overcrowd the pan, or the onions won't cook properly
  • Watch carefully, as onions will only take about 2 minutes to cook. Transfer cooked onions to paper towels to drain. Immediately sprinkle with sea salt
  • When completely finished, sprinkle with additional paprika, if desired.


Use a mandoline or slicer with a very sharp blade to slice the onions. Faster, easier and safer than a knife
FOR EASY BREADING: Use a Tupperware-like container that has a cover! Keep your hands clean, ensures easy full coverage of onions
Instead of reheating leftovers, use this shortcut on the first day:
  • Slice twice as many onions, and soak them all in buttermilk for an hour
  • Store drained onions in a sealed container in the fridge overnight
  • Season the onions the next day, and fry as normal


Calories: 137kcal | Carbohydrates: 24g | Protein: 4g | Fat: 2g | Saturated Fat: 1g | Cholesterol: 6mg | Sodium: 185mg | Potassium: 286mg | Fiber: 2g | Sugar: 7g | Vitamin A: 26.1% | Vitamin C: 6% | Calcium: 9.3% | Iron: 8.3%