A blending apparatus for blending foodproducts in a disposable container, the apparatus comprising: a base portion (1 02, 136); a motor housed in the base portion (1 02, 136) the motor having a motor drive shaft; a container portion extending from the base portion (1 02, 136), the container portion comprising: an internal chamber having a top end and a bottom end, the top end having a top opening, the top opening having a top opening inner diameter (D T), the bottom end having a bottom surface; a shelf portion at the top end of the internal chamber; and a sidewall surface between the top and bottom ends, the sidewall surface having a sidewall inner diameter (D S); a blade positioned in the internal chamber and driven by the motor drive shaft, the blade being rotatable to blend contents of the internal chamber beneath the top opening; a sealing surface extending externally and circumferentially around the base portion or the container portion, the sealing surface being configured to contact a disposable container placed over the container portion; characterised in that: the sidewall inner diameter (D S) is greater than the top opening inner diameter (D T); and the shelf portion comprises a plurality of circumferentially spaced-apart vents configured to allow material above the shelf portion to circulate into the internal chamber. a base portion (1 02, 136); a motor housed in the base portion (1 02, 136) the motor having a motor drive shaft; a container portion extending from the base portion (1 02, 136), the container portion comprising: an internal chamber having a top end and a bottom end, the top end having a top opening, the top opening having a top opening inner diameter (D T), the bottom end having a bottom surface; a shelf portion at the top end of the internal chamber; and a sidewall surface between the top and bottom ends, the sidewall surface having a sidewall inner diameter (D S); a blade positioned in the internal chamber and driven by the motor drive shaft, the blade being rotatable to blend contents of the internal chamber beneath the top opening; a sealing surface extending externally and circumferentially around the base portion or the container portion, the sealing surface being configured to contact a disposable container placed over the container portion; characterised in that: the sidewall inner diameter (D S) is greater than the top opening inner diameter (D T); and the shelf portion comprises a plurality of circumferentially spaced-apart vents configured to allow material above the shelf portion to circulate into the internal chamber. an internal chamber having a top end and a bottom end, the top end having a top opening, the top opening having a top opening inner diameter (D T), the bottom end having a bottom surface; a shelf portion at the top end of the internal chamber; and a sidewall surface between the top and bottom ends, the sidewall surface having a sidewall inner diameter (D S); a blade positioned in the internal chamber and driven by the motor drive shaft, the blade being rotatable to blend contents of the internal chamber beneath the top opening; a sealing surface extending externally and circumferentially around the base portion or the container portion, the sealing surface being configured to contact a disposable container placed over the container portion; characterised in that: the sidewall inner diameter (D S) is greater than the top opening inner diameter (D T); and the shelf portion comprises a plurality of circumferentially spaced-apart vents configured to allow material above the shelf portion to circulate into the internal chamber. a blade positioned in the internal chamber and driven by the motor drive shaft, the blade being rotatable to blend contents of the internal chamber beneath the top opening; a sealing surface extending externally and circumferentially around the base portion or the container portion, the sealing surface being configured to contact a disposable container placed over the container portion; characterised in that: the sidewall inner diameter (D S) is greater than the top opening inner diameter (D T); and the shelf portion comprises a plurality of circumferentially spaced-apart vents configured to allow material above the shelf portion to circulate into the internal chamber. the sidewall inner diameter (D S) is greater than the top opening inner diameter (D T); and the shelf portion comprises a plurality of circumferentially spaced-apart vents configured to allow material above the shelf portion to circulate into the internal chamber.