Lemon red lentil soup

- 15-30 ml olive oil (approx. 1-2 tablespoons)
- 3 large carrots, peeled and sliced (approximately 360 g)
- 2 stalks celery, chopped (approximately 180 g)
- 1 medium yellow onion, diced (approximately 150 g)
- 4 cloves garlic, minced
- 1.5 liters…