A method of screening lipolytic enzymes is used to identify candidates for a baking additive which can improve the properties of a baked product when added to the dough. The screening method involves contacting the enzyme with N-acyl phosphatidyl ethanolamine (APE) or N-acyl lyso-phosphatidyl ethanolamine (ALPE), and detecting hydrolysis of an ester bond in the APE or ALPE.