Disclosed is a method for forming a contoured chewing gum product, the method including providing a gum sizing system including at least one roller, moving a gum mass toward and through the sizing system in a direction of flow, sizing the gum mass into a substantially continuous gum sheet via the sizing system, the gum sheet having a thickness between about 0.3 mm to 10 mm at at least a portion of the gum sheet via the sizing, creating a thickness variation in the gum sheet via the at least one roller of the sizing system, wherein the creating of the thickness variation and the sizing of the gum mass into the gum sheet occurs substantially simultaneously, and separating the gum sheet into a plurality of gum pieces, at least one of the plurality of pieces including the thickness variation.
