How to make concrete countertops for an outdoor bar or kitchen

This outdoor bar with a concrete countertop is a sturdy piece of outdoor furniture that serves as a nice place to sit and have a drink or as a food prep island. Concrete countertop slabs are pretty easy to make but are quite heavy so I recommend making this project near its final destination. This bar is made from 3 concrete slabs that bolted to support wall made out of 2x4s. This is one of the more challenging projects I have posted and it is critical to make sure that the bolts, which are cast, into th br, br,