01 -
Cut beef chuck into 4 cm pieces and season generously with salt and pepper. Set aside.
02 -
In a Dutch oven over medium heat, fry bacon until crisp. Remove bacon, crumble, and reserve. Leave bacon fat in the pan.
03 -
Working in batches, sear the seasoned beef in the reserved bacon fat until browned on all sides. Transfer browned beef to the slow cooker insert as each batch finishes.
04 -
Whisk beef broth with tomato paste until fully incorporated, then pour mixture into the slow cooker.
05 -
Add onions, garlic, carrots, celery, potatoes, Worcestershire sauce, sugar, ground black pepper, dried thyme, and bay leaf to the slow cooker. Return crumbled bacon as well.
06 -
Pour dark beer into the slow cooker and add chopped bittersweet chocolate. Stir gently to combine.
07 -
Secure lid and cook stew on low heat for 8 hours, allowing flavors to meld and beef to become tender.
08 -
When cooking is complete, remove lid and ladle 240 ml of hot liquid from the stew into a bowl. Whisk in flour until smooth, then return mixture to the slow cooker and stir. Allow to simmer for approximately 5 minutes to thicken.
09 -
Remove and discard bay leaf. Adjust seasoning if needed and serve stew hot.