Step 1
Clean the butcher block thoroughly to remove any dirt or debris.
Step 2
Lightly sand any rough edges that may surround the split.
Step 3
Fill the split with a wood filler compound. Wood fillers can be found at hardware and home improvement stores and come in various shades.
Step 4
Smooth the filler and make sure there are no air bubbles. Let the compound dry overnight.
Step 5
Lightly sand the area and apply a butcher block oil to the countertop.