Instructions |
1. |
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Preheat oven to 400 degrees. |
2. |
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Prepare 4 pieces of parchment paper or aluminum foil to form packages around fish. |
3. |
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Using a sharp knife, remove skin and white pith from oranges. Cut the segments away from their surrounding membranes, and squeeze any juice from the membranes into a bowl. |
4. |
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Stir in concentrate, thyme, soy sauce, garlic, and pepper. |
5. |
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Place a piece of tuna on paper or foil. Distribute mushrooms and orange slices over the tuna, and spoon orange juice mixture over the top. |
6. |
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Seal the packages and place on a baking sheet. Bake for 10-12 minutes (you may wish to open one package and check that the tuna is done to your taste). |
7. |
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Transfer packages to individual plates and serve. |