A food preparation appliance includes a food preparation vessel, a lid, an attachment part, a locking device, and a plurality of sensors. The lid may be placed on the food preparation vessel. The attachment part may be placed on the food preparation vessel instead of the lid. The locking device is for locking the lid placed on the food preparation vessel and for locking the attachment part placed on the food preparation vessel.

A blending system that includes a base that is selectively and operatively engaged with a container is shown and described herein. The base may include a near field communications chip that may communicate with a near field communications chip of a cutting disc. The cutting disc identifies a type of the cutting disc, a position of a chute of a lid or both.

A blending system that includes a base that is selectively and operatively engaged with a container is shown and described herein. The base may include a near field communications chip that may communicate with a near field communications chip of a cutting disc. The cutting disc identifies a type of the cutting disc, a position of a chute of a lid or both.