Pat beef with paper towel to remove excess moisture. Combine with mushrooms, carrots, garlic, onion and dried mushrooms in slow-cooker insert. Sprinkle fl our and thyme overtop and stir vegetables until coated. Add bay leaves. Pour in broth and wine. Cover and cook on low until very tender, about 8 hours.
Heat a frying pan over medium-high. Add bacon. Stir often until crisp around the edges, reducing heat if needed, for 5 to 8 min. Scoop into a small bowl. Remove excess fat with paper towel. Stir bacon into beef mixture during last 15 min of cooking. Remove and discard bay leaves. Serve with mashed potatoes or crusty bread. Stew will keep well, covered and refrigerated, for at least 2 days, and can be frozen in an airtight container or zip-top freezer bag up to 1 month.