• 4 (6-to 7-ounces) pieces pollock fillet
• 1/2 cup mayonnaise
• 2 teaspoons grated lemon zest
• 1 tablespoon fresh lemon juice
• 1 tablespoon finely chopped shallot
• 1 1/2 teaspoons anchovy paste
• 2 teaspoons chopped thyme 

Preheat broiler. Oil broiler pan.

Put fish, skin side down, on broiler pan and sprinkle with 1/4 teaspoon each of salt and pepper (total).

Whisk together remaining ingredients and spread evenly over top of fish. Broil 5 to 7 inches from heat until just cooked through, 6 to 8 minutes.