Tortellini Vegetable Soup

Ingredients

• 1 large onion, chopped
• 2 celery ribs, chopped
• 2 tablespoons canola oil
• 2 cans (14-1/2 ounces each) beef broth
• 1 cup each frozen corn, sliced carrots and cut green beans
• 1 cup diced uncooked potatoes
• 1 teaspoon dried basil
• 1 teaspoon dried thyme
• 1/2 teaspoon minced chives
• 2 cans (14-1/2 ounces each) diced tomatoes, undrained
• 2 cups frozen beef or cheese tortellini