Preparation time: 5 minutes Cooking time: 22 minutes  4 tuna steaks, weighing 100 g/3 /1/2 or each  4 plum tomatoes  1 teaspoon garlic puree 1 tablespoon tomato puree 1 tablespoon chopped  Parsley  Salt and pepper  1 Cook the tuna steaks and set aside, following step 1 of the main recipe.  2 to make the tomato sauce, put all the sauce ingredients into a blender or food Processor and blend for 1 minute. Transfer to a sauce and cook, uncovered, for 10 minutes. Season and spoon oven the cooked tuna. 

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