Melt The Butter In A Flat-Bottomed Pan Over Medium-High Heat. Slice The Hot Dog Length-Wise About 3/4 Of The Way Through; Place Onto The Pan With The Cut-Side Down Along With The Hot Dog Bun. Cook Both Until Golden Brown; Flip And Cook The Other Side Until Golden Brown. Remove The Bun From The Pan And Spread The Strawberry Jam Over The Inside Of The Bun; Set Aside. Meanwhile, Top The Hot Dog With The Slice Of Swiss Cheese. Place A Lid Over The Hot Dog And Continue Cooking Until The Cheese Has Melted, About 1 Minute. Place The Hot Dog In The Bun To Serve.