Fixing and Refinishing Maple Edge-Grain cutting boards
Day 1: Plane and cut apart boards with split seams. Joint and glue back together with waterproof, food safe, Titebond 3 wood glue.
Day 2: Glue additional Maple edge-grain strips
Day 3: Plane, router and sand boards to initial dimensions. Finish with final wet sanding, dunk boards in mineral oil and seal with cutting board polish.