Turkish Red Lentil Soup (Mercimek Çorbası)

Ingredients (for 4 servings)

• 1 tbsp — olive oil
• 1 whole — medium onion
• 2 clove — garlic
• 1 whole — medium carrot
• 1 whole — medium potato
• 1 cup — red lentils
• 1 tsp — ground cumin
• 1 tsp — paprika
• ½ tsp — turmeric
• ½ tsp — salt
• ¼ tsp — black pepper
• 1 tbsp — tomato paste
• 4 cup — vegetable broth or water
• ½ whole — lemon