If they bake for 10 minutes, they need 10 minutes of proper heat. Greenspan advises that midway through the baking cycle, you switch the trays from one shelf to the other and rotate them around halfway. This, she says, will help the cookies bake evenly and avoid the horror of burnt cookies. RACK 'EM Invest in a wire baking rack. Wire racks with feet, which hold the cookies about a half-inch off the surface of your counter, allow air to circulate above and below them.
Most ovens hold two cookie trays.
Using the same two cookie sheets means you'll be putting the raw cookie dough on a still-warm sheet. Set all ingredients on the counter. Properly measure all ingredients, using dry measuring cups for dry ingredients and liquid measuring cups for liquid ingredients. For best results, follow recipe exactly. Always preheat your oven 10 to 20 minutes before baking.