Best Lentil Soup Recipe-How to Make Lentil Soup-Delish.com

Ingredients

• 2 tbsp. extra-virgin olive oil
• 2 carrots, peeled and diced
• 2 celery stalks, diced
• 1 small onion, diced
• 3 cloves garlic, minced
• 2 tsp. cumin
• 1 tsp. coriander
• 1/4 tsp. crushed red pepper flakes, plus more if desired
• kosher salt
• Freshly ground black pepper
• 1 14-oz. can diced tomatoes, with juices
• 10 oz. lentils
• 2 tsp. fresh thyme
• 4 c. vegetable broth
• 4 c. baby spinach