Turkish Red Lentil Soup

Ingredients

• 1 tbsp olive oil
• ¼ onion, diced
• 1 garlic clove, smashed
• 1 carrot, diced
• ½ rib celery, diced
• ¼ tsp ground cumin
• Pinch of dried thyme
• Salt and pepper, to taste
• ½ cup red lentils, rinsed
• ¾ tbsp tomato paste
• 2 cups vegetable broth
• Lemon juice and zest (to finish)
• Fresh mint, chopped (to finish)
• Pinch of sumac (optional)