Gluten-Free Seeded Cracker Tartine Recipe - goop

Ingredients

• 1 d red onion
• juice of ½ lemon
• ¼ cup water
• 1 tablespoon red wine vinegar
• 4 black peppercorns
• 1 pinch salt
• 1 avocado
• 2 tablespoons pickled red onion
• 1 cup shaved Little Gem lettuce
• ¼ cup radicchio (optional)
• olive oil
• 1 wedge lemon
• 1 pinch everything-bagel seasoning