fish (halibut, cod, or haddock) - 2 portions (cut into portions)
water - 2 quarts (for poaching)
salt - to taste (to season water)
lemon peel - 1 whole lemon (for flavoring the poaching water)
fresh herbs (thyme or sage) - a fistful (for flavoring the poaching water)
baby potatoes - 1 handful (for boiling)
cold butter - 1 stick (for beurre monté)
water - 1/4 cup (for beurre monté)
greens (amaranth, spinach, or watercress) - 1 bunch (for wilting)
salmon roe - to taste (for garnish)
lemon juice - to taste (for flavoring the beurre monté)
smoky chili flakes - to taste (optional for flavor)
green peppercorns in brine - to taste (optional for flavor)