I HAVE ONE WALL IN MY KITCHEN AND ND WOULD COVER IT OR PAINT IT IDEAS
If you mean make it look like brick (I answered on how to paint faux brick earlier), here is another tutorial. Hope this answers your question. https://www.hometalk.com/41520765/easily-design-a-faux-brick-wall-under-35
You can paint, just clean well, prime then paint.
Maybe this will help
Since it's in your kitchen, you are going to have residue, so use Krudkutter to clean first
look up Cutting Edge Stencils, they have really nice designs and they have the best price on the internet! They have lots of pictures and stencils to please you!