The present invention describes a process for the production of biofuel, said process comprising, pretreating a feedstock, mixing a catalyst with said feedstock, transferring the mixture of catalyst and feedstock into a reactor, and subjecting said mixture to a heating sequence by applying microwave energy thereto, wherein the catalyst comprises an aluminosillicate mineral, the percentage of aluminosillicate mineral in the catalyst-feedstock mixture is less than 10% (w/w), and the temperature of the mixture of catalyst and feedstock is no higher than 450° C. during the process.