Tangy, crisp, yet mellow pickled red onions are great on tacos, burgers, tostadas, tortas, salads, and more!

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What type of vinegar should I use?
If you’re looking for it to have a good neutral taste, go with regular white vinegar. If you feel like experimenting with flavors try different wine vinegars or even apple cider vinegar.
Wine vinegar comes in many flavors/types. Simply replace equal parts of white vinegar that the recipe calls for, with your favorite vinegar flavor or apple cider vinegar.
What kind of add-ins or spices can I add for more flavor?
This is the fun part! There are so many options! You can add fresh rosemary or thyme, mustard seeds, pepper flakes, black peppercorns, sliced jalapeños, serranos, and/or habaneros, crushed garlic cloves, sugar for sweetness, seriously the list is endless.
The flavor profile is a personal choice. All of the spices I have included in the recipe can be tweaked or omitted if they aren’t to your liking.
How long does it keep or store?
It keeps for about a month in the refrigerator.
What goes or pairs well with this?
Foods I would eat this with would be:
- Tacos (probably seafood)
- Tostadas de Camarón
- Tortas
- Salads
- Burgers
Step by step process
Start by adding the water, vinegar, mustard seeds, black peppercorns, red pepper flake, and salt to a pot over medium to medium-low heat and bring that to a boil.
While the water vinegar mix comes to a boil, go ahead start slicing your onion. Cut the onion in half across the top and then into thin slices, about ⅛th of an inch thick.
Stuff the slices into a 32 oz glass jar and add the 2 cloves of garlic.
Once the water vinegar mix has come to a boil, remove it from the stove and pour liquid over your onions in the jar.
Make sure that all of the spices make it in too. You don’t want to leave those out.
Let it come to room temperature and then close it with a lid and store in the refrigerator.
Pickled Red Onions Recipe
- Prep Time: 5 Minutes
- Cook Time: 10 Minutes
- Total Time: 15 Minutes
- Yield: 4 cups total 1x
- Category: Topping
- Method: Stovetop
- Cuisine: Other
Description
Tangy, crisp, yet mellow pickled red onions are great on tacos, burgers, tostadas, tortas, salads, and more!
Ingredients
- 1 large red onion, sliced
- 2 garlic cloves, smashed
- 1 ¼ cup water
- 1 cup white vinegar
- ½ tablespoon mustard seeds
- ½ tablespoon black peppercorns
- ½ tablespoon red pepper flakes
- ½ tablespoon of salt
- 32 oz glass jar
Instructions
- Start by adding the water, vinegar, mustard seeds, black peppercorns, red pepper flake, and salt to a pot over medium to medium-low heat and bring that to a boil.
- While the water vinegar mix comes to a boil, go ahead start slicing your onion. Cut the onion in half across the top and then into thin slices, about ⅛th of an inch thick.
- Stuff the slices into a 32 oz glass jar and add the 2 cloves of garlic.
- Once the water vinegar mix come to a boil, remove it from the stove and pour liquid over your onions in the jar.
- Make sure that all of the spices make it in too. You don’t want to leave those out.
- Let it come to room temperature and then close it with a lid and store in the refrigerator.
Notes
- Stores well in refrigerator for about a month.
- Can replace white vinegar with equal parts of other vinegar flavors.
- Omit any spices or add-ins that are not to your liking.
- Great on:
- Tacos (probably seafood)
- Tostadas de Camarón
- Tortas
- Salads
- Burgers
Nutrition
- Serving Size: 1 Jar
- Calories: 162
- Sugar: 8.1g
- Sodium: 3.5g
- Fat: 2.4g
- Saturated Fat: .2g
- Unsaturated Fat: 0g
- Trans Fat: 0g
- Carbohydrates: 23.8g
- Fiber: 5.7g
- Protein: 4.1g
- Cholesterol: 0g
Keywords: pickled red onions
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