Market Basket Soup

Ingredients

• 1 tablespoon olive oil
• 1 large kohlrabi bulb, peeled and chopped
• 4 celery ribs, chopped
• 2 medium onions, chopped
• 2 medium carrots, chopped
• 3 garlic cloves, minced
• 1 teaspoon salt
• 1 teaspoon coarsely ground pepper
• 6 cups vegetable stock or water
• 2 cans (15-1/2 ounces each) great northern beans, rinsed and drained
• 2 bay leaves
• 2 medium tomatoes, chopped
• 2 tablespoons minced fresh parsley
• 2 tablespoons minced fresh tarragon or 3/4 teaspoon dried tarragon
• 2 tablespoons minced fresh thyme or 3/4 teaspoon dried thyme