1.In A Microwavable Baking Dish, Arrange Tilapia Fillets In A Single Layer. Dot With Pieces Of Butter, And Minced Garlic. Sprinkle Over Fresh Tarragon. Cover With Waxed Paper And Microwave On High For 2 Minutes. 2.Turn Fillets Over, Recover, And Continue To Microwave On High For A Further 2 Minutes. Remove Immediately, Sprinkle With Apple Cider Vinegar, And Serve.