Radicchio & Pickled Radish Salad

Ingredients

• *Pickled radishes*
• 4 ounces red radishes, shaved or very thinly sliced
• 1 small shallot or small red or white onion, thinly sliced into rounds
• 1/4 cup raw apple cider vinegar
• 1/2 teaspoon fine sea salt
• *Dressing*
• 1/4 cup extra-virgin olive oil
• 2 tablespoons balsamic vinegar
• 1 tablespoon red wine vinegar
• 1 teaspoon fine sea salt, plus more
• 1/2 cup pomegranate seeds
• *Salad*
• 1/2 cup raw walnuts
• 12 ounces radicchio (about 1 medium head), outer leaves removed
• 1 red or regular Belgian endive, leaves separated and core removed
• 4 ounces watermelon radishes (about 2 small-medium), shaved or very thinly sliced
• 1 small crisp, tart apple, such as Pink Pearl or Northern Spy