Pour Water Into A Microwave Safe Bowl, And Cook In The Microwave Until Very Hot, About 2 Minutes At High Heat. Add Ramen Noodles, And Microwave 2 Minutes More To Cook. Drain And Discard Water From Noodles, Then Stir In Seasoning Packet, Tuna, And American Cheese. Place Back Into Microwave, And Cook Until Hot, 1 To 2 Minutes More. Stir Before Serving.