Beef with refried

3 lbs boneless beef chuck roast 2 tablespoons extra virgin olive oil 2 slices thick-cut bacon , cut into 1/2-inch pieces kosher salt & freshly ground black[...]

1 1/2 c. Beef stock , Not bullion 3/4 c. Red wine vinegar 6 Tbsp. Worcestershire sauce 1 Tbsp. Chipotle pwdr 1 Tbsp. Onion pwdr 2 Tbsp. Garlic pwdr 3 Tbsp.[...]

2 TBSP vegetable oil , divided Didn't use this 1 lb lean ground beef I used about a pound and a half 2 onions finely chopped I used much less 4 stalks celery[...]