4 mackerel and apple Recipes

tomatoes (1 lb), onion, apple jelly, cider vinegar, chopped fresh tarragon leaves, dried hot red pepper flakes, salt, four 6-oz mackerel or bluefish fillets with skin

mayonnaise, sour cream, fresh lemon juice, sugar, black pepper, smoked mackerel, celery ribs, cut crosswise into 1/4-inch slices, granny smith apple, cored , then cut into 1/2-inch cubes, arugula, trimmed and coarsely chopped (6 cups), olive oil

sour cream, prepared horseradish, minced garlic, olive oil, apple cider vinegar, chopped green onions, chopped fresh parsley leaves, kosher salt and freshly ground black pepper, smoked mackerel, bones and skin removed, and coarsely flaked, mesclun greens, dark rye croutons, for garnish