Well that's a mouthful, kitchen cabinet uppers shelf topper.  But, I guess that's what it is though.  So here's a DIY how-to way to resolve that awkward gap between your kitchen cabinet uppers and the ceiling, aka the soffit.
This, IMO, is more practical than say, removing upper cabinets altogether and doing open shelving which is just a disaster of an idea for a kitchen.  Ok, disaster is strong but it's not even remotely realistic unless you don't live there, don?t use your kitchen, or your kitchen is for Instagram only.
Too, IMO, this is more practical and more visually appealing than say, boxing in the whole space with a looming, solid, visually heavy nonfunctional volume.  Or adding cabinets (that surely won't match the existing long-expired-product-line) that are out of reach for short people like me.  Or filling it with tons of trim. These of course are just my opinions and based on this particular kitchen of ours.  If you ask me, and you might be since you're here, this is a dilemma that is long overdue in being addressed from a functional use, wasted space, and interior design standpoint.
So somehow, somehow, I managed to lure Mike into helping me which was a good thing not only to hang out with him and do something we definitely weren't going to kill each other over, but turns out his help was crucial.  I didn?t even have to bribe him with baked goods (doh, bad call, babe). 
We relied on my late afternoon math which turned o...