Preheat grill to high heat (450°F-550°F). Coat steaks with garlic and olive oil.
Prepare all vegetables while steaks marinate briefly.
Season steaks generously with salt and pepper just before grilling.
Grill steaks for 1 minute per side, then flip again and grill 1 minute per side for medium-rare.
Rest steaks for 5-7 minutes before slicing against the grain.
Arrange lettuce mixture on platter or in bowl.
Distribute vegetables and herbs evenly over greens and season lightly.
Fan sliced steak over the salad and top with crumbled blue cheese.
Serve with red wine vinaigrette on the side or drizzled over top.