Oven to 400
Heat Dutch oven/heavy pot over med-high heat with Olive Oil. Add Bacon / pancetta and cook until lightly browned. Remove with slotted spoon to dish.
Pat beef dry. Sprinkle with salt and pepper. Add beef to Dutch oven/heavy pot ( do not crowd) and brown on all sides. Remove browned pieces to plate with bacon.
Add bacon and browned beef cubes back to Dutch oven/heavy pot. Sprinkle with flour. Tossing gently to coat. Cook until flour is absorbed. Place uncovered pot in hot oven for 5-10 minutes. Toss and bake in oven 5 more minutes.( This sears the meat thoroughly)
Move Dutch oven to stove top. Turn oven down to 325.
Mash garlic in salt, add to Dutch oven/heavy pot along with remaining seasonings(pepper, thyme sprigs and bay leaf. Gently stir to combine.
To Dutch oven/heavy pot add warmed wine. Add warmed bone broth to barely cover. Bring to simmer on top of stove. Cover and place in oven. Turn oven down to 325 to just maintain simmer.
Cook for 1 1/2 hours or until meat is NEARLY tender. Check during cooking to make sure liquid has not boiled away. Adding any bone broth that is remaining or hot water if needed.
Check and adjust seasonings. Add the worchester sauce, onions and mushrooms. Cook until onions and mushrooms are cooked thru ..1/2 hour to 1 hour.
Serve as desired (see notes) Can sit on the stove all day or can be cooled and reheated. Just add addition bone broth, wine or hot water to get to the desired consistency.