Smoked Black Cod with Apple Slaw

Ingredients

• 1 teaspoon fennel seeds
• 1 teaspoon cumin seeds
• 1 teaspoon caraway seeds
• 1/4 cup homemade mayonnaise
• 2 tablespoons extra virgin olive oil
• 1/4 cup white wine vinegar
• 1 tablespoon sugar
• Kosher salt and freshly ground black pepper
• 1/2 head Savoy cabbage, cored, quartered and thinly sliced, about ¾ pound
• 1/2 head red cabbage, cored, quartered and thinly sliced, about ¾ pound
• 1 small head radicchio, cored, quartered and thinly sliced, about ½ pound
• 6 green onions, white and green, thinly sliced diagonally
• 2 Granny Smith apples, peeled and ½-inch dice
• 6 ounces smoked black cod or other firm smoked fish, coarsely flaked