A Modern preserve dish built on whole ingredients.

Servings: 4
Active time: 10 min
Total time: 1 h 10 min

Organic sourcing

Red onions are a good choice to buy organic as they are sometimes exposed to pesticides. Apple cider vinegar is also a good option to buy organic for better quality.

Ingredients

• 1 medium red onion
• 1 cup water
• 1/2 cup apple cider vinegar
• 1 tbsp maple syrup
• 1 1/2 tsp sea salt
• 1/2 tsp black peppercorns
• 1/2 tsp whole coriander seeds

Method

1. Thinly slice the red onion into even rings.
2. In a small saucepan, combine the water, apple cider vinegar, maple syrup, sea salt, black peppercorns, and coriander seeds.
3. Bring the mixture to a gentle boil, then simmer for 1-2 minutes until the salt is dissolved.
4. Remove the saucepan from heat and allow the liquid to cool slightly.
5. Place the sliced onion in a clean jar, and pour the warm liquid over, ensuring onions are submerged.
6. Let the jar cool to room temperature, then cover and refrigerate for at least 1 hour before serving.

Notes

• For a sugar-free option, omit the maple syrup.
• Use the pickled onions within two weeks for best flavor.
• Great as a topping for tacos or sandwiches.

Source

Paraphrased from the culinary canon by Organic.is editors, 2026. Classic Modern recipe. If you'd like a specific source for further reading, ask Tinni (bottom-right) for a book recommendation.