One variation of a method for tracking temperature exposure of foodstuffs within an automated sandwich assembly apparatus includes: at a topping module, receiving first topping sample and a second topping sample in a column of topping samples； at a first time, determining a first temperature of the first topping sample； in response to the first temperature of the first topping sample exceeding a threshold temperature, setting a first timer assigned to the first topping sample； cutting a slice from the second topping sample； following dispensation of the slice of the second topping sample from the topping module, tracking a position of the first topping sample within the topping module； and in response to expiration of the first timer prior to dispensation of a final portion of the first topping sample from the topping module, disqualifying the final portion of the first topping sample from dispensation onto a topping vehicle.
