The way to accomplish this is to use the defuser plate. Do you have one? That will really do the job. Using a full run of grill grates with the difuser will do it too if you are grilling. Your only hot spots will be on the edges.
Weber Platinum Kettle, Weber OTS, Meco square grill, ECB, a WSM, a cool fold up camping grill, a Blackstone flat top camping stove, The MOAB, and now the proud owner of a YS640, MOINK.
Smoke on Brother KC
Father of the Fatty (the name) 4/20/04 on the BBQ Brethren with inspiration from Brother parrothead.