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How to grill tilapia
Select the tilapia from your local butcher or grocery store.
For optimal grilling, each filet should be at least 1 inch (2.54 cm) thick. Look for fillets that have brightly colored skin, clear eyes, clean gills, and very little " fishy " odor.
If you are purchasing filet, make sure there is no excess water in the packaging. Press against the flesh of the filet--it should be firm and spring back quickly.