Fry the onions in low calorie cooking spray until softened (about 7 minutes) and add the celery, stir fry for a couple more minutes.
Add the beef (having removed any visible fat) and fry gently until browned on the outside
Add in the flour, and stir through to coat the beef.
Pour in the ale and bring to a simmer.
Add the passata, tomato puree, crumbled beef stock cube and carrot. Season with salt and pepper and add the bay leaves.
Transfer to the slow cooker and cook on high for 6 hours, or low for 10-12 hours
It's a silly thing, but I really like my beef casserole to look dark and rich so sometimes add a spoonful of dark soy sauce at the end to make it look darker! You can make this an all in one meal by adding chopped potato/and or sweet potato a couple of hours before the end of cooking.
The Slimming Foodie has no official affiliation with, or endorsement from Slimming World. Slimming World’s website can be found at https://www.slimmingworld.co.uk. The syn values shown on my recipes are my personal estimation and have not been verified by Slimming World.