Ingredients

• 1 medium red onion , thinly sliced into half-moons
• 0.75 cups white wine vinegar
• 1 teaspoon sea salt
• 1 teaspoon white sugar
• 5 blacks peppercorns

Instructions

1. 1 Gather all ingredients.
2. 2 Pack onion slices into a sterilized 1-pint jar.
3. 3 Combine vinegar, salt, sugar, and peppercorns together in a small saucepan; bring to a boil over medium-high heat.
4. 4 Carefully pour brine solution over onions to fill the jar; let stand, uncovered, for 30 minutes.
5. 5 Seal the jar with a tight-fitting lid and shake well. Refrigerate until flavor develops, at least 1 hour or up to 2 weeks, before serving. Keep refrigerated.

Nutrition per serving