Colorful Three-Bean Soup

Ingredients

• 1 medium onion, chopped
• 1 tablespoon canola oil
• 3 small potatoes, peeled and cubed
• 2 medium carrots, sliced
• 3 cans (14-1/2 ounces each) chicken or vegetable broth
• 3 cups water
• 2 tablespoons dried parsley flakes
• 2 teaspoons dried basil
• 1 teaspoon dried oregano
• 1 garlic clove, minced
• 1/2 teaspoon pepper
• 1 can (15-1/2 ounces) great northern beans, rinsed and drained
• 1 can (15 ounces) pinto beans, rinsed and drained
• 1 can (15 ounces) garbanzo beans or chickpeas, rinsed and drained
• 3 cups chopped fresh spinach