I tried the signature burgers from McDonald's, Wendy's, and Burger King. The Big Mac was my least favorite.

I tried the signature burgers from McDonald's, Wendy's, and Burger King. The Big Mac was my least favorite.

I tried the signature burgers from three fast-food chains: McDonald's, Wendy's, and Burger King.Erin McDowell/Insider; McDonald's; Wendy's; Burger KingI tried the signature burgers from three fast-food chains: McDonald's, Wendy's, and Burger King.I thought McDonald's Big Mac was underwhelming and needed more sauce.I liked the smoky flavor of Burger King's Whopper, even though it was the priciest burger.As a food reporter, I've tried and tested m…