The most important factor is to make sure your fudge is completely cool and hardened before trying to cut it into small squares. Use a large sharp knife and use a ruler to mark one inch rows on the block of fudge. Cut through each row and then cut each row into 8 one inch squares. Occasionally clean the knife by rinsing with warm water and wiping it off. u003cimg alt=u0022Example of how to cut fudge into uniform sized piecesu0022 src=u0022https://flouronmyface.com/wp-content/uploads/2011/10/cutting-fudge-into-squares.jpgu0022/u003e