Peel and mince garlic

Peel shallots and finely chop. Remove thyme and rosemary leaves from stems and mince

Stir all into olive oil

Add the vinegar, mustard and pepper

Reserve 1 tablespoon for aioli

Pour remaining over steak, cover and refrigerate 4 hours

Grill steak 6 to 8 minutes per side

Let rest and slice across the grain. Cut top off whole head garlic and place on a sheet of foil

Drizzle with olive oil

Wrap tightly and roast at 400 degrees for 1 hour

Squeeze out garlic and mash

Mix garlic with reserved marinade and mayonnaise

Serve with steak.