This is a recipe you can (and should!) make every week. Pickled red onions can be made using as few as 5 ingredients and in less than 45 minutes total, most of which is just waiting for the brine to do its magic. Besides being quick and simple to make, pickled red onions are incredibly versatile. They can be delicious additions to tacos, nachos, enchiladas, burgers, deli sandwiches, salads, and more. And, just like these easy homemade pickles, the brine can easily be adjusted to add different and exciting flavors to your next jar of pickled onions.
Your Grocery List:
Produce
- Red onion(s)
Baking & Pantry Items
- Apple cider vinegar
- Granulated sugar
- Kosher salt
- Red pepper flakes (optional)
- Garlic cloves (optional)
Equipment you’ll need:
- Small saucepan or pot
- Airtight jars or containers
Ways to adjust the brine and your pickled red onions
- For added heat: Adding either a pinch of crushed red pepper or thin slices of ginger (about 1/2″-worth) can add a kick to your pickled red pepper flakes. You can also use thinly sliced jalapeno or habanero peppers.
- For some added flavor: Add whole peppercorns for a “peppery” taste, whole garlic cloves for a hint of garlic in your onions, or fresh herbs like thyme and rosemary for a fresh woody flavor.
- To make them pickled onions sweeter: Doubling the amount of sugar in the recipe below will result in sweet and sour pickled red onions
- Experiment with the acid: For a bit of a different pickling taste, different vinegars can be used. Apple cider vinegar provides a mellow, fruity pickling whereas pickles made using white distilled vinegar is a much stronger, sour taste. Try using different vinegars to adjust the taste of your pickled red onions. You can even substitute the vinegar for orange juice and the acid in the juice will serve the same purpose.
- For a milder onion flavor: Red onions have a pungent flavor that is delicious both raw and pickled, but if you’re looking to mellow out some of the onion flavor, follow these steps –
1) Bring 2 cups of water to a boil
2) Slice red onions thinly and place in a colander or fine mesh strainer
3) Slowly (and carefully!) pour the hot water all over the sliced onions
4) Prepare brine and proceed with the recipe/instructions as written below
Because the onions are sliced so thinly, they are basically being blanched by the hot water. This mellows out the flavor before the pickling process even begins. So try to pour it evenly over all of the onions or there may be some inconsistency in the final flavor. Feel free to experiment with pickling other types of onions, shallots, peppers, kale or collard stems or even watermelon rinds.
Can I use the microwave to make pickled red onions?
You sure can! The key is just to make sure the sugar and salt are dissolved so using the stove or microwave will get the job done.
1) Combine water, vinegar, sugar, and salt in a microwaveable container and heat for 3-4 minutes.
2) Stir and, if sugar and salt still have dissolved, heat for 1-2 more minutes.
3) Once dissolved, add thinly sliced red onions, red pepper flakes, and garlic cloves (optional) to pickling liquid for at least 30 minutes before adding to your salad, sandwich, chili, tacos, etc.
Ways to use pickled red onions
These pickled onions are a welcome tangy addition to any of the following dishes and plenty more:
- Nachos
- Tacos
- Chili
- Buffalo chicken dip
- Fried chicken sandwiches
- Cold cuts
- Salad
- Grain bowls
Quick Pickled Red Onions
Equipment
- Knife and cutting board
- Small saucepan
- Airtight jar or container
Ingredients
- 1 large red onion, peeled and very thinly sliced
- ½ cup apple cider vinegar, or other vinegar
- ½ cup water
- 1 teaspoon kosher salt
- 2 Tablespoons sweetener, sugar, agave, maple syrup, honey, etc.
Instructions
Par-blanch
- Bring 2 cups of water to a boil in a small saucepan. Place sliced red onion in a fine mesh strainer. Slowly pour hot water evenly over all of the onions.
Prepare the vinegar solution
- In the same saucepan, stir together vinegar, water, salt and sweetener. Cook over medium-high heat until the mixture reaches a simmer and sweetener and salt have dissolved.
Marinate
- Place the thinly-sliced onions (and any additional flavoring ingredients) in a mason jar. Pour the hot vinegar mixture over the onions. Put on the lid and gently shake the jar around to make sure everything is coated and mingling together..
- Let the onions marinate for at least 30 minutes and up to a day (for maximum flavor).
- Serve immediately after 30 minutes or refrigerate the onions in a sealed container for up to a month.
Notes
- If you want a stronger onion flavor, skip the par-blanching step.
- If you’re looking for more crunch, slice the onions a bit thicker.
- For a sweeter pickled red onion, double the amount of sweetener used in the vinegar solution.
- Onions will soften the longer they are allowed to sit in the vinegar solution.
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