Winter Caponata - Lidia

Ingredients

• 1/4 cup white-wine vinegar
• 2 tablespoons sugar
• 1/4 cup fresh mint leaves
• Vegetable oil, for frying
• 1 small celery root, peeled and cut into 1/2-inch cubes (about 1 1/2 cups)
• Kosher salt
• 1/2 small butternut squash, peeled and cut into 1/2-inch cubes (about 2 cups)
• 1/4 cup extra-virgin olive oil
• 1 medium onion, chopped
• 2 stalks celery, sliced
• 1 medium red bell pepper, chopped
• 1/2 cup golden raisins
• 1/4 cup coarsely chopped pitted green olives
• 1 tablespoon pine nuts, toasted
• 1 tablespoon drained capers in brine
• Peperoncino
• 2 medium-sized ripe tomatoes, seeded and diced