Ribollita with Bowery Basil, Kale, and Pancetta
INGREDIENTS 8 ounces pancetta, chopped into ½" pieces 6 tablespoons extra virgin olive oil, plus more for serving 1 medium onion, finely chopped 3 medium carrots, peeled, finely chopped 3 celery stalks, finely chopped 3 garlic cloves, thinly sliced 1 teaspoon crushed red p