Have you ever tried Blue Marlin fillet? Blue Marlin is not only perfect for grilling. It is also good for fillets despite of its firm meat. I suggest that you give it a try.

Image and Recipe from Chef Rhianne
Ingredients
Fillet:
1/2 kg. Blue Marlin fillet
paprika
salt
2 eggs (beaten)
6-8 cups vegetable oil (for frying)
Batter:
1 cup flour
2 eggs (beaten)
3/4 tsp. ground pepper
Sauce:
3 tbsp. unsalted butter (melted)
1/3 cup freshly squeezed lemon juice
1/2 cup white wine
1/2 tsp. ground pepper
salt
2 tsp. cornstarch dissolved in 1/3 cup water (for thickening)
parsley (finely chopped)
Procedure
1. Sprinkle both sides of Blue Marlin fillet with paprika and salt then set aside.
2. For the batter: whisk flour, 2 beaten eggs and 3/4 tsp ground pepper in a bowl.
3. Dip the fillet in remaining 2 beaten eggs then coat with batter. Deep fry until golden brown. Drain excess oil with paper towels then set aside.
4. On a pan, melt butter over medium heat. Add wine and lemon then season with salt and pepper. Add cornstarch then stir continuously until the desired thickness is achieved.
5. Place the fried Blue Marlin fillet on a serving plate. Pour over the lemon butter sauce then sprinkle with parsley.
Enjoy!