From http://www.ellenskitchen.com/bigpots/plan/desserts1.html#cake100 ---------------------------------------------------------------------------------------------------------- 2 (two) 18x26 inch "full sheet" pans, cut 6x9 for 108 large thin squares of cake 54 (fifty four) per pan OR 5 (five) 9x13 pans cut 4x5 for 100 thicker squares 20 (twenty) per pan OR 9 (nine) dozen cupcakes 375 F. Oven Warning: You need a commercial size (larger than 5 quarts) mixer that will beat the whole recipe at once to succeed. If you do not have a commercial mixer, make 1/2 or even 1/4 recipe at a time.