Big Boy Hamburger Now At Prejlach'sFrejlach’s, already famous for their quality ice cream, will introduce America’s most fabulous hamburger sandwich — BigBoy — Thursday at their Lee st. store, D e s Plaines.Big Boy is the original double deck hamburger which originated in California and is spreading to ail sections of the United Stute.s. More than 10 million Were sold last year.Frejlach’s * is the first store to offer Big Boy hamburgers in the Chicago area.The Big Boy hamburger is unique in that it features a double cut bun, two patties of top quality ground beef, may- : onnaise, a special dressing, lettuce and cheese. It is the spe cial blending of ingredients that distinguishes Big Boy, however,, and has made it the world’s largest selling hamburger. It is known by the cute little fat boy in the red checkered overalls which serves as the Big Boy trademark.