Beef Stew without butter root balsamic

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[...]

3 lbs tri-tip roast or 3 lbs sirloin tip roast or 3 lbs outside round roast, trimmed of excess fat and cut into 2-inch cubes 1 large onion , sliced 4 sprigs[...]