Cooking style doesn’t erase the basics. Keep raw steak separate from ready-to-eat foods. Use different utensils for raw and cooked. Don’t reuse a marinade unless you boil it first, since raw marinade can carry bacteria.
Chill quickly after any meal, and don’t leave cooked steak out at room temperature for extended periods. If you plan to serve blue or rare, consider slicing immediately after cooking so everyone eats right away rather than waiting for the last plate.
For people with higher risk of foodborne illness—older adults, pregnant people, young children, and those with weakened immune systems—ask a clinician for personalized guidance. When safety is more important than style, choosing well-cooked steak is the safer route.