Sick-Day Tortellini Soup | Recipe Reader

Ingredients

• 2 tablespoons olive oil
• 1 medium onion, diced
• 2 medium stalks celery, cut into 1/4-inch-thick pieces
• 2 medium carrots, peeled, cut into 1/4-inch-thick rounds
• 2 cloves garlic, minced
• 1/2 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• 2 medium lemons
• 5 cups low-sodium vegetable or chicken broth
• 1 (14-ounce) package frozen cheese tortellini
• 1 (6-ounce) bag baby spinach