Frozen Yellowfin Tuna Fillets - Source Of Protein - Good Source Of Omega-3 - Simply Thaw And Cook Delicious In A Variety Of Meals, I&j Tuna Portions Are Also A Good Source Of Omega-3 Fatty Acids. Try Sprinkled With Lemon Zest For An Extra Kick. Easy To Prepare And Delicious To Eat, I&j Tuna Portions Are A True Family Favourite. Enjoy Them On Their Own Seasoned With Ginger Cilantro Marinade Or Serve With A Side Of Roasted Lemon Potatoes For A Delicious Lunch Or Dinner. I&j Tuna Portions Are Yellowfin Tuna Fillets That Are Easy To Prepare In A Number Of Ways. Try Cooking Them In A Little Olive Oil And Season With Salt And Lemon To Complement The Delicate Flavour Of The Meat. The I&j Tuna Portions Are Also A Good Source Of Omega-3 And A Source Of Protein.