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How to Make Spicy Onion Straws

Light and crispy with just a little heat, Spicy Onion Straws are amazing as an appetizer, side dish or piled high on your favorite sandwich or salad.

Onion Straws are one of my favorite foods ever! I make a lot of them because I just cannot stop eating them myself. Oops! And making these little fried onion crisps at home are super easy. They will dress up any vegetable dish or casserole, and will take your burgers to new heights! Literally. Pile them high on any sandwich for a little crunch and so much flavor!

Light and Crispy and prepared with just a hint of heat, Spicy Onion Straws are perfect as an appetizer, side dish or piled high on your favorite sandwich.

First, peel and cut the onions into very thin rings. I used a mandolin to cut the rings easily and uniform, but a sharp knife will do. The onion slices should be thin enough see thru.  I prefer Vidalia onions for their sweetness, but any sweet white or yellow onion can be used. The 9 x 13 pan in the photo above contains the onion rings from 2 medium size yellow onions.

Light and Crispy and prepared with just a hint of heat, Spicy Onion Straws are perfect as an appetizer, side dish or piled high on your favorite sandwich.

Pour buttermilk over the onions and let soak for at least an hour. The onions do not have to be completely covered by the buttermilk, but should be touching it. I am not sure of the reason behind the soaking time, but to me it seems to draw out some of the “raw” of the onion.

When you are ready to fry up some of this onion deliciousness, you will need to get a few things ready.  First, heat about a quart of oil in a deep fryer equipped with a temperature control, or in a pot on the stove to 350 degrees. If heating oil on the stove, use a candy thermometer to keep track of the temperature. While the oil is heating, pull together the dredging mix.  In a large flat dish, mix 2 cups of flour, 1/2 tsp of pepper and a 1/4 tsp of ground red pepper. (or use your favorite ground hot pepper spice).

Working in batches, grab a tong full of onions, tap off the excess buttermilk and drop into the dredging mixture to coat.  Tap off the excess flour and put the coated onions into the hot oil.  They will cook super quick, so now is not time to leave the stove.  The Onion Straws are done when lightly golden brown.  Remove the cooked onion straws from the oil and place on a oven safe rack set over a sheet pan to drain.  Lightly salt the fried onion straws if you like.  After I get a large pile of Spicy Onion Straws on the rack, I will transfer them to a paper towel lined sheet pan and keep them warm in a 200 degree oven. This applies only if there are any left to keep warm, they seem to get eaten as fast as I can make them!

Spicy Onion Straws

Spicy Onion Straws

Light and crispy, soaked in buttermilk then fried for a perfect crunch.
5 from 2 votes
Prep Time :10 minutes
Cook Time :20 minutes
Total Time :30 minutes
Servings :8
Calories :149
Course :Appetizer, Side Dish, Snack

Ingredients

  • 2 medium sweet yellow onions
  • 2 cups low-fat buttermilk
  • 2 cups all-purpose flour
  • 1/2 tsp black pepper
  • 1/4 tsp ground red pepper
  • vegetable oil for frying
  • salt to taste

Instructions 

  • Peel and slice the onions into thin rings. The onion slices should be thin enough see thru.
  • In a shallow pan, pour buttermilk over the onions and let soak for at least an hour. The onions do not need be completely covered by the buttermilk, but should be touching it.
  • When ready to fry, heat a quart of oil in a deep fryer equipped with a temperature control, or in a pot on the stove to 350°F.
  • In a large flat dish, mix 2 cups of flour, salt, black pepper and ground red pepper.
  • Working in batches, grab a tong full of onions, tap off the excess buttermilk and drop into the dredging mixture to coat. Tap off the excess flour and drop the coated onions into the hot oil.
  • Onions are cooked when lightly golden brown.
  • Remove from the oil and place on a oven safe rack set over a sheet pan lined with paper towels to drain.  Lightly salt to taste.  Transfer them to another paper towel lined sheet pan and keep them warm in a 200 degree oven.

Chef Tips

If heating oil on the stove, use a candy thermometer to keep track of the temperature.
 I prefer to salt the batter mixture and salt to taste when the onion straws are done. If salt sensitive, only salt to taste or omit salt entirely.
Due to variations in oil and absorption, nutrition information is for onion straw ingredients only, NOT the oil for frying.

Nutrition Facts

Nutrition Facts
Spicy Onion Straws
Amount per Serving
Calories
149
% Daily Value*
Fat
 
1
g
2
%
Saturated Fat
 
1
g
6
%
Cholesterol
 
2
mg
1
%
Sodium
 
65
mg
3
%
Potassium
 
164
mg
5
%
Carbohydrates
 
29
g
10
%
Fiber
 
1
g
4
%
Sugar
 
4
g
4
%
Protein
 
6
g
12
%
Vitamin A
 
52
IU
1
%
Vitamin C
 
3
mg
4
%
Calcium
 
81
mg
8
%
Iron
 
2
mg
11
%
* Percent Daily Values are based on a 2000 calorie diet.

© Copyright Christine Mello for Must Love Home. We would love for you to share a link to this recipe but please do not copy/paste the recipe instructions to websites or social media. We are happy for you to share a photo with a link back to this website instead.

 

I’m Christine, a self-appointed foodie and almost empty-nester who is addicted to creating quick and tasty recipes that anyone can make. My goal is to give you the confidence and know-how to cook from scratch with easy, budget-friendly recipes. Welcome to my kitchen! Learn more…

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