Monkfish or Other Fillets in Almond Sauce

Almonds grow abundantly in Spain—you see the trees throughout the South and easily find fresh almonds, which are a rarity here—and play an integral role in many dishes, offering a rich flavor and body to sauces. This dish is a perfect weeknight offering, but it’s also a fine main course at a dinner party.

I like monkfish here, but striped bass, grouper, red snapper, and black sea bass are all suitable; each will cook at slightly varying rates (the monkfish will take the most time, r