Created by QueenBea on September 22, 2013
Step 1: Whisk together the mayonnaise, mustard, honey, rosemary and garlic powder.
Step 2: Place a layer of foil over a rimmed baking sheet and coat with non-stick spray.
Step 3: Sprinkle the tuna with salt and pepper and generously coat with the mayonnaise mixture.
Step 4: Place the coated fish on the foil lined pan and bake in a preheated 350 degree Fahrenheit oven for 20 to 22 minutes, until cooked through, depending on thickness of the tuna steak.
Step 5: Enjoy.