Tomato and Red Lentil Soup with Parsnip

Can be made with two celery sticks and no chilli powder instead of parsnip. Was Jonny's contribution to the christmas meal.

2 ¹⁄₂ tbsp 0.037 l 37 ¹⁄₂ ml 7 ¹⁄₂ tsp 0.159 cup 0.066 pint olive oil	heat	cook on low heat 7-8 mins	cook 3 mins	cool 1 min	bring to boil	cover and simmer 25-30 mins	blend
2 ¹⁄₂ onion	roughly chopped
562 ¹⁄₂g ⁹⁄₁₆kg 1.24lb 19.8oz parsnip	roughly chopped
2 ¹⁄₂ carrot	peeled and roughly chopped
2 ¹⁄₂ clove garlic	crushed
2 ¹⁄₂ tsp 0.013 l 12 ¹⁄₂ ml ⁵⁄₆ tbsp 0.053 cup 0.022 pint ground cumin
1 ⁷⁄₈ tsp 0.009 l 9 ³⁄₈ ml ⁵⁄₈ tbsp 0.04 cup 0.016 pint ground coriander
⁵⁄₈ tsp 0.003 l 3 ¹⁄₈ ml 0.208 tbsp 0.013 cup 0.005 pint chilli powder
437 ¹⁄₂g ⁷⁄₁₆kg 0.965lb 15.4oz split red lentils
3l 3000ml 200tbsp 600tsp 12.7cup 5.28pint vegetable stock
1000g 1kg 2.2lb 35.3oz chopped tomatoes
5 tsp 0.025 l 25 ml 1 ²⁄₃ tbsp 0.106 cup 0.044 pint tomato purée
2 ¹⁄₂ bay leaf