Beef Stew - Cooking like a Boss

True zero-pre-cooking slow cooker beef stew. Really tasty and very easy. Serve with mash.

200ml ¹⁄₅l 13 ¹⁄₃tbsp 40tsp 0.845cup 0.352pint boiling water			mix up in slow cooker and cook for 8-10 hours on low
¹⁄₃ beef stock cube	crumble
²⁄₃ tbsp 0.01 l 10 ml 2 tsp 0.042 cup 0.018 pint tomato purée
¹⁄₃ tbsp 0.005 l 5 ml 1 tsp 0.021 cup 0.009 pint Marmite
300g 0.3kg 0.661lb 10.6oz braising steak	cut into 3cm chunks
33 ¹⁄₃g 0.033kg 0.073lb 1.18oz smoked bacon lardons
²⁄₃ onions	thinly slice
1 ¹⁄₃ carrots	peel	cut into 3cm chunks
1 ¹⁄₃ celery sticks	cut into 3cm lengths
1 tbsp 0.015 l 15 ml 3 tsp 0.063 cup 0.026 pint plain flour
¹⁄₃ tsp 0.002 l 1 ²⁄₃ ml 0.111 tbsp 0.007 cup 0.003 pint salt
¹⁄₃ tsp 0.002 l 1 ²⁄₃ ml 0.111 tbsp 0.007 cup 0.003 pint dried mixed herbs
¹⁄₃ bay leaf
ground black pepper