Home Depot, cheap solution, sanding first, then painting,

Painting the whole surface for the color you like. We do this every time before renting to new tenants, looks like new. Take less than 30 minutes for the kitchen countertop.

https://www.homedepot.com/p/Rust-Oleum-Specialty-29-oz-Countertop-Coating-Tint-Base-246068/202820906