slow cooked beef brisket

My slow cooked beef brisket came so so tender and yummy. Love my slow cooker.
P.s only just started using a slow cooker in the last few weeks.
My recipe:
I made a rub with onion powder, garlic powder, chilli flakes, Worcestershire sauce, olive oil, BBQ sauce, pepper and salt.
Added about 4 sliced onions on the bottom of slow cooker and then put the 1.5 kilo of beef brisket on top of the onions (after applying the rub)
Cooked for 5 hours on high and 2 hours on low and then put it in the oven for 40 mins to finish off.
Best brisket I’ve ever tasted.