- Add sliced onions to a clean jar or container.
- In a small saucepan, combine vinegar, water, sugar, and salt. Bring to a light simmer and stir until dissolved.
- Add garlic and peppercorns if using.
- Pour the warm liquid over the onions until fully covered.
- Let cool slightly, then refrigerate.
The onions are ready in about 1 hour, but flavor improves after a few hours. Keeps refrigerated for up to 2 weeks.
Serving Ideas
- Burgers and sandwiches
- Tacos and fajitas
- Salads and grain bowls
- BBQ and grilled meats
- Avocado toast or wraps
