Oven brisket is the slow Sunday treat — collagen melts, the meat pulls apart, and the kitchen smells of proper beef. Brisket Joint 1kg is the classic joint for a family pot roast; Flat Brisket 1.5kg is the flatter pack when you want even slices. Shop both in brisket and beef.
Oven method
Pat the brisket dry and season well with salt and pepper. Optionally sear in a hot pan first for deeper colour. Nestle into a roasting tin or casserole with onion, garlic, a splash of stock or ale, and a bay leaf — liquid should come a third of the way up the meat, not cover it. Cover tightly with a lid or foil and roast at 150–160°C for 3 to 4 hours for a 1kg joint (nearer 3½ to 4½ hours for the 1.5kg flat), until a fork twists easily in the thickest part (probe around 90–95°C for soft, pull-apart beef). Uncover for the last 20 to 30 minutes to brown and reduce the juices. Rest 15 to 20 minutes under loose foil before slicing across the grain. Do not rush on high heat — brisket needs time for the connective tissue to melt.
Slow cooker backup and leftovers
No long oven sit: slow cooker on low 7 to 9 hours with the same aromatics, then brown under a hot grill if you want sticky edges. Skim the fat from the juices and reduce for gravy. Browse brisket for pack sizes, and beef for short ribs and diced beef beside.
What to serve
Creamy mash, greens, and the reduced pan juices, or soft rolls with slaw for a pulled-brisket sandwich. Leftover meat shreds beautifully into tacos, chilli, or hash — keep covered in the fridge and reheat gently with a splash of stock. Freeze leftover chunks in portions for midweek comfort.
Times above are a guide for home ovens, air fryers and pans — always trust a probe over the clock, and rest meat before you carve so the juices stay in the slice, not on the board. British packs vary a little in thickness, so start checking a few minutes early the first time you cook a new size.
Write your own fridge note the first time you cook a new pack size — home ovens and pans vary, and a two-minute early check beats dry meat. Rest on a warm plate, not a cold board, so the juices stay put when you carve or plate up.