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Apply some nonstick spray to the unheated grill.
														 
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Heat up the grill and make sure it’s really hot.
														 
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Brush the tuna steaks with olive oil and add salt and pepper to taste.
														 
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Place tuna steaks on the grill and grill each side for only 2 to 2 1/2 minutes.  You just want to sear it. The center should be raw, like sushi, or the tuna will be tough and dry.
														 
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Use a spatula to flip the tuna to prevent the fish from falling apart.
														 
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To prepare the sauce place the chipotles in adobo sauce in a food processor and pulse until it has become a smooth sauce.
														 
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Combine the chipotle sauce with the rest of the ingredients and mix well.
														 
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Cut the tuna steak into thin slices and plate over a bed of greens.
														 
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Spoon chipotle sauce over the tuna and enjoy!