Fillet o’ Fish Shop Sandwich
A light beer batter and fennel-apple slaw takes these quick and easy fried fish sandwiches to the next level.
Ingredients
Fennel Slaw
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1 1/2 tablespoons fresh lemon juice
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1 tablespoon extra-virgin olive oil
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1 medium fennel bulb, trimmed, halved, cored, and thinly sliced (about 2 cups)
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3/4 cup thinly sliced Granny Smith apple (about 1 small apple)
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1/4 cup torn fresh mint leaves
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Kosher salt, to taste
Garlic Mayo
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6 tablespoons mayonnaise
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1 medium garlic clove, finely grated
Fish
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Canola oil, for frying
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2/3 cup all-purpose flour (about 2 7/8 ounces)
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2 teaspoons baking powder
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1 teaspoon kosher salt, plus more to taste
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2/3 cup ice-cold beer
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4 (5-ounce) hake loin fillets (or other similar white fish, such as cod)
Additional Ingredients
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4 hamburger buns, split and toasted
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4 baby gem lettuce leaves
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Lemon wedges, for serving
Direction
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Make the fennel slaw
Whisk together lemon juice and olive oil in a medium bowl until combined. Add fennel, apple, and mint; toss to evenly coat. Season with salt to taste. Cover and chill until ready to use.
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Make the garlic mayo
Stir together mayonnaise and garlic in a small bowl. Cover and chill until ready to use.
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Make the fish
Pour oil to a depth of 2 inches into a large heavy-duty skillet; heat over medium to 350°F. Whisk together flour, baking powder, and salt in a medium bowl until well combined. Just before frying fish, whisk beer into flour mixture until combined and consistency resembles a thin pancake batter. (A few lumps are OK.)
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Dip fillets, 1 at a time, in batter, turning until well coated. Remove, and allow excess batter to drip off, leaving a thin film of batter on fish. Using tongs, lay fish in hot oil, and hold in place until batter sets and fish begins to float. Cook, turning occasionally using a fish spatula (or a heatproof tool such as a slotted spatula, slotted spoon, or spider), until crust is golden brown and crisp, and a thermometer inserted into thickest portion of fish registers 145°F, 3 to 4 minutes. Transfer to a paper towel–lined plate; season with additional salt to taste. Repeat cooking process, working in batches as needed, with remaining fillets.
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Spread both sides of each hamburger bun liberally with garlic mayo. Add lettuce, fish, and a generous amount of slaw to bottom buns. Add top bun, and serve with lemon wedges.
