Kitchen Sink - Porcelain over Cast Iron - Cutting Hole for Aux Faucet

How do I do this? Stainless was pretty easy, but I have my doubts about this.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.