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Preheat the oven to 450F.
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Prepare a baking sheet by lining it with parchment paper or aluminum foil.
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Put the corn kernels on the baking sheet and toss with 1 tablespoon of the olive oil, 1/4 teaspoon of the salt, and black pepper to taste.
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Spread the corn out evenly on the baking sheet and roast for 20 minutes.
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You want the corn to take on a golden brown color.
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It may seem that you have left the corn in the oven for too long, but you want the corn to caramelize and get a little crunchy.
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Remove the corn from the oven and set aside.
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While the corn is roasting, combine the tomatoes, scallions, cilantro, and avocado in a bowl.
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Finely grate the zest of 1 lime and add it, along with its juice, to the bowl.
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Toss well.
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Once the corn is ready, toss it in the tomato mixture and season with 1/4 teaspoon of the salt.
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Taste and adjust the seasoning as needed.
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Set aside.
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14
Using a paper towel, pat dry the tuna steak and season with a dusting of salt and cayenne.
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Heat the remaining 1 tablespoon oil in a nonstick grill pan over medium-high heat.
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When the oil is hot, add the tuna and cook to medium-rare, turning once.
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The time it will take for the tuna to cook depends on its thickness.
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If youre able to get a thick piece of tuna (about 1 1/2 inches thick), allow the tuna to sear for 4 minutes on each side for a medium-rare doneness.
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Thinner steaks will cook in less time.
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Ultimately the tunas thickness and your preferred level of doneness will determine how long to cook the fish.
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Cut the remaining lime into wedges.
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Serve the tuna along with the tomato and roasted corn salsa and garnish each serving with a lime wedge and sprigs of cilantro.
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INGREDIENTS
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Frozen Corn
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If you are using frozen corn, measure the amount needed before defrosting.
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Tuna Steaks
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Try to buy a very thick piece of tunaideally 1 1/2 inches thick.
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This will allow you to achieve a nice olden brown crust while maintaining a rare center.
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TECHNIQUES
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Searing Tuna
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Searing fish on a hot griddle or skillet is the best way to achieve a golden crust while maintaining a moist interior.
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While grilling is very popular, I find that it dries out the fish too much.
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To properly sear, make sure you start off with a hot pan and oil.
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Place the meat in the pan and leave it alone until it develops a golden brown crust.
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Roasting Corn
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For this recipe, you are looking to do more than just cook the corn through.
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You want to caramelize its sugarsmaking it sweetand change its texture making it crunchy.
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Leave the corn in the oven until its color changes from yellow to a deep golden brown.
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ADVANCE PREPARATION
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The salsa can be made up to a day in advance, although it is best to keep the corn separate so as to maintain its crunchy texture.
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The tuna can be made a couple of hours ahead of time, stored in the refrigerator, and served at room temperature.
