A system for converting whole kernel corn into mesa within a brief period of time. A system including apparatus for removing the pericarp and stem from the kernels and residuals being ground into a flour of suitable particle sizes. This flour is combined with lime and water and mixed for 6 - 12 minutes reaching a terminal temperature of about 50 degrees Celsius or and wherein gelatization occurs, forming a masa. Further apparatus then fragments the masa into sizes for further processing.