HealthLife StylePublic Health I Compared the Same Breakfast From McDonald’s and Burger King By Tom O'Brien - September 25, 2021 0 288 FacebookTwitterPinterestWhatsApp The sandwich came with a biscuit, sausage patty, egg, and a slice of American cheese. Burger King breakfast sandwich. Erin McDowell/Insider When I bit into the breakfast sandwich, it tasted heavily of butter, but I could still taste the juicy sausage patty and egg.