It’s winter! – poco-cocoa

Ingredients

• 2 tablespoons olive oil
• 1 medium yellow onion, diced
• 2 large carrots, chopped
• 2 celery ribs
• 1 cup trimmed green beans, cut into 1-inch pieces
• 1 (14.5-ounce) can diced tomatoes, undrained
• 6 cups vegetable broth
• Salt and freshly ground black pepper
• 2 medium zucchini, sliced into half-moons
• 1 (15-ounce) can navy beans, rinsed and drained
• 1/4 cup pesto