12 HARD- BOILED EGGS, 1/2C. MAYONNAISE, 1C. BACON PIECES, 2-4 TBLSP. SHREDDED CHEDDAR CHEESE, 1 TBLSP. MUSTARD,1/4 TSP. PEPPER, SLICE EGGS IN HALF LENGHTWISE.REMOVE YOLKS,AND SET WHITES ASIDE. IN A SMALL BOWL,MASH YOLKS, STIR  MAYONNAISE, BACON,CHEESE, MUSTARD AND PEPPER. STUFF INTO EGG WHITES. REFRIGERATE.