Red White and Bean Minestrone

Name: Red, White, and Bean Minestrone
Ingredients: 1 Tablespoon extra-virgin olive oil; 1/4 Cup Italian turkey sausage, in small pieces; 2 Tablespoons tomato paste; 1 Cup chopped onion; 1 Cup chopped celery; 2 Tablespoons minced garlic; 1 Cup chopped carrots; 1 Teaspoon dried oregano; 16 Ounces chopped canned tomatoes; 5 Cups chicken stock; 15.5 Ounces cannellini beans with liquid; 8 Ounces red kidney beans, drained; 2 Cups zucchini cut into 6-inch pieces; 2 Cups baby spinach; 1 1/2 Cup baby spinach; 2 Tablespoons pre-packaged pesto; 2 Tablespoons fresh grated Parmesan cheese