Chestnut and Bacon Soup - Cooking like a Boss

2 ¹⁄₄ tbsp 0.034 l 33 ³⁄₄ ml 6 ³⁄₄ tsp 0.143 cup 0.059 pint olive oil	melt		cover and sweat over low-medium heat for 5 minutes	cook for 5 minutes until veg tender but not coloured	simmer for 30 minutes	remove bay leaf and thyme	blend until smooth
56 ¹⁄₄g 0.056kg 0.124lb 1.98oz butter
2 ¹⁄₄ small onion	chop
2 ¹⁄₄ small leek	trimmed and washed	chop
2 ¹⁄₄ stick of celery	trimmed	chop
2 ¹⁄₄ small carrot	chop
2 ¹⁄₄ clove garlic	peeled and crushed
2 ¹⁄₄ bay leaf
2 ¹⁄₄ sprig thyme
13 ¹⁄₂ rashers smoked bacon	dice
675g 0.675kg 1.49lb 23.8oz potatoes	peeled and cut into chunks
2 ¹⁄₄l 2250ml 150tbsp 450tsp 9.51cup 3.96pint veg or chicken stock
900g 0.9kg 1.98lb 31.7oz cooked and peeled chestnuts