steak - 2 pieces, thickness about 1-1.5 inches (thick cut, suitable for grilling)
salt - to taste (to season steak)
black pepper - to taste (freshly ground, to season steak and sauce)
butter - 200 grams (for béarnaise sauce)
egg yolks - watch the video to see (for béarnaise sauce, carefully heated to creamy consistency)
shallots - watch the video to see (finely chopped or grated for béarnaise sauce)
fresh tarragon - watch the video to see (lots, for béarnaise sauce)
chili - watch the video to see (a little, for béarnaise sauce)
cayenne pepper - watch the video to see (a little, for béarnaise sauce)
water - watch the video to see (for béarnaise sauce)
salt - to taste (for béarnaise sauce)