I searched for fast foods at a 40/30/30 ratio:
001 39:33:28 TACO BELL, Soft Taco with chicken
002 43:28:29 Fast foods, submarine sandwich, with roast beef
003 37:34:29 Sandwiches and burgers, roast beef sandwich with cheese
004 36:33:31 McDONALD'S, Premium Grilled Chicken Club Sandwich
005 40:34:26 Fast foods, burrito, with beef, cheese, and chili peppers
006 40:34:26 WENDY'S, Homestyle Chicken Fillet Sandwich
007 42:33:25 McDONALD'S, Premium Crispy Chicken Ranch BLT Sandwich
008 45:27:28 Sandwiches and burgers, steak sandwich
009 42:25:33 WENDY'S, Ultimate Chicken Grill Sandwich
010 38:36:26 Fast foods, roast beef sandwich, plain
011 43:24:33 McDONALD'S, Premium Grilled Chicken Ranch BLT Sandwich
012 43:34:23 Entrees, pizza with pepperoni
013 35:29:36 Fast foods, chili con carne
014 36:37:27 McDOANLD'S, CHICKEN McGRILL Sandwich
015 46:30:24 McDONALD'S, Crispy Chicken Sandwich (without mayonnaise)
016 38:38:24 Fast foods, ham and cheese sandwich
017 38:38:24 McDONALD'S, Egg McMUFFIN
018 44:34:22 Fast foods, bagel, with ham, egg, and cheese
019 46:32:22 TACO BELL, BURRITO SUPREME with chicken
020 46:32:22 McDONALD'S, Premium Crispy Chicken Classic Sandwich
021 44:35:21 Fast foods, burrito, with beef
022 47:32:21 WENDY'S, Jr. Hamburger, without cheese
023 37:39:24 McDONALD'S, Premium Crispy Chicken Club Sandwich
024 48:21:31 McDONALD'S, Premium Grilled Chicken Classic Sandwich
025 46:34:20 Fast foods, burrito, with beef and chili peppers
026 46:34:20 Fast foods, hamburger; single, regular patty; plain
027 46:34:20 McDONALD'S, FILET-O-FISH (without tartar sauce)
028 38:39:23 Fast foods, english muffin, with egg, cheese, and canadian bacon
029 43:37:20 LITTLE CAESARS 14" Pepperoni Pizza, Large Deep Dish Crust
030 44:36:20 Fast foods, submarine sandwich, with cold cuts
031 47:33:20 McDONALD'S, Hamburger
032 44:36:20 TACO BELL, BURRITO SUPREME with steak
033 45:35:20 Fast foods, hamburger; single, regular patty; with condiments
034 45:35:20 LITTLE CAESARS 14" Original Round Pepperoni Pizza, Regular Crust
035 37:40:23 Fast foods, taco salad with chili con carne
036 48:32:20 LITTLE CAESARS 14" Original Round Cheese Pizza, Regular Crust
037 35:41:24 Fast foods, hamburger; single, large patty; with condiments
038 46:35:19 LITTLE CAESARS 14" Cheese Pizza, Large Deep Dish Crust
039 47:34:19 McDONALD'S, McCHICKEN Sandwich (without mayonnaise)
040 39:40:21 Fast foods, cheeseburger; single, regular patty; plain
041 39:40:21 BURGER KING, Hamburger
042 39:40:21 PIZZA HUT 14" Cheese Pizza, THIN 'N CRISPY Crust
043 40:40:20 McDONALD'S, Cheeseburger
044 40:40:20 WENDY'S, Jr. Hamburger, with cheese
As you can see, from the top of the list, chicken is still King.