Classic Pickled Onions Recipe
Pickled onions: the humble condiment that makes your boring sandwich feel like a gourmet creation. They’re tangy, crunchy, and unapologetically bold. These vibrant little flavor bombs know how to steal the spotlight on burgers, tacos, and cheese boards. No need for fancy tricks—just a few simple ingredients and a jar. You’ll have a batch ready before you can finish whining about your mediocre lunch. Warning: You might become the person who eats pickled onions straight from the jar (no judgment).

Classic Pickled Onions Recipe
Ingredients
- 2 medium red onions thinly sliced
- 1 cup white vinegar
- 1/2 cup water
- 1 tablespoon sugar
- 1 1/2 teaspoons salt
- 1/2 teaspoon black peppercorns
- Optional: 1 garlic clove sliced, 1/2 teaspoon mustard seeds, or chili flakes for heat
Instructions
- Slice the onions: Thinly slice the onions and set aside.
- Prepare the brine: Heat vinegar, water, sugar, salt, and peppercorns in a saucepan over medium heat. Stir until sugar dissolves.
- Pour the brine: Remove the mixture from heat and immediately pour it over the sliced onions in a jar.
- Cool and store: Let the onions cool completely before sealing. Refrigerate for at least 1 hour (best after 24 hours).
- Serve: Use them to elevate your tacos, salads, or cheese platters.
Notes
Nutritional Information (Per Serving):
- Calories: 20
- Total Fat: 0g
- Saturated Fat: 0g
- Carbohydrates: 5g
- Fiber: 1g
- Protein: 0g
- Vitamin C: 10%
- Folate: 5%
- Potassium: 4%
- Iron: 2%
- Calcium: 3%
Additional Notes/Tips:
- Vinegar Options: Swap white vinegar with apple cider vinegar for a sweeter twist.
- Storage: Keeps well in the fridge for up to two weeks.
- Flavor Variations: Add fresh thyme or coriander seeds for a unique aroma.