Oh yeah, it’s okay to stack. Do you have a Big Green Egg Large and still lack space? The solution to your problem is the stainless steel 3 Level Cooking Grid. The bottom grid is a fixed grid, above which are two height-adjustable rotating grids. So with a bit of spatial insight you can fill 3 levels with delicacies.
Whether you wish to prepare a number of dishes simultaneously or are confronted with very hungry guests, this 3 level cooking grid should keep you going for a while. An added bonus is that you can take this clever tool apart to make it fit in the dishwasher more easily.