Jewish-ish Braised Brisket & Comforting Noodle Kugel

▪Whole trimmed brisket (about 8lb/3.5kg)
▪Olive oil
▪1kg/3-4 large onions, sliced
▪Salt
▪1800g/2 32oz boxes beef stock
▪30g or 1.5Tbsp Better bouillon beef base
▪30g or 1.75Tbsp worcestershire
▪10g or 1.5Tbsp paprika
▪5g or 3/4Tbsp garlic powder
▪3g or 1.5tsp black pepper
▪1-2g or 1-2tsp dried thyme
▪200g or 3/4c canned tomato sauce
▪15g or 1Tbsp anchovies, finely minced
▪200g or 3/4c ketchup
▪50g or 3Tbsp A1, or other steak sauce of choice
▪Bloomed gelatin (4 packets of gelatine stirred with 40-50g water)