Grilled Mackerel with Spicy Tomato Jam

Ingredients

• 4 6-ounce mackerel or bluefish fillets with skin
• ¹/₃ cup apple jelly
• 3 tablespoons cider vinegar
• 1 small onion
• 2 tablespoons fresh tarragon leaves
• ½ teaspoon dried hot red pepper flakes
• ¼ teaspoon salt
• + 1 more ingredients
• • 3 medium tomatoes

Have ready a bowl of ice and cold water. Cut an X in blossom end of each tomato and in a saucepan of boiling water blanch 10 seconds. With a slotted spoon transfer tomatoes to ice water to stop cooking. Peel tomatoes and seed and chop. Chop onion. In a 1-quart saucepan bring tomatoes, onion, jell...

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