A pump assembly includes a diaphragm pump having a diaphragm extending across a chamber to define a gas chamber on a first side of the diaphragm and a mixture receiving chamber on a second, opposite side of the diaphragm. A shaft extends through the diaphragm and moves therewith between a default position and an extended position. The mixture receiving chamber is configured to receive liquid mixture via a mixture inlet and pass mixture to a pressure chamber via a mixture outlet. The gas chamber has an inlet port receiving gas of a desired pressure and an outlet port. The shaft seals between the inlet port and the outlet port until the diaphragm and shaft are in the extended position at which time gas in the gas chamber passes from the gas chamber to the pressure chamber. The pressure chamber has a pressure outlet configured to deliver a pressurized liquid mixture and gas to a freezing chamber. Each stroke of the diaphragm causes pressurized liquid mixture and gas to be passed into the pressure chamber and to the pressure outlet.

Provided herein are whippable topping compositions comprising yogurt. The compositions comprise a blend of yogurt and a whip topping emulsion. The yogurt can be made with regular, low fat or fat free milk. The fat content of the whip topping emulsion can also be varied to provide topping compositions of various fat content having a smooth texture and desirable consistency.

Provided herein are whippable topping compositions comprising yogurt. The compositions comprise a blend of yogurt and a whip topping emulsion. The yogurt can be made with regular, low fat or fat free milk. The fat content of the whip topping emulsion can also be varied to provide topping compositions of various fat content having a smooth texture and desirable consistency.

A frozen beverage dispensing machine includes a barrel. A liquid side of an expansion tank is connected to the barrel. A gas side of the expansion tank is separated from the liquid side by a bladder. A controller is configured to receive liquid pressure measurements from a liquid pressure transducer and is configured to initiate a fill process to provide a flow of liquid through the liquid side of the expansion tank into the barrel in response to the liquid pressure measurements falling below a liquid cut in pressure value. The controller is configured to initiate a gas pressure adjustment process when the liquid pressure measurements are less than a target gas side pressure.

A frozen beverage dispensing machine includes a barrel. A liquid side of an expansion tank is connected to the barrel. A gas side of the expansion tank is separated from the liquid side by a bladder. A controller is configured to receive liquid pressure measurements from a liquid pressure transducer and is configured to initiate a fill process to provide a flow of liquid through the liquid side of the expansion tank into the barrel in response to the liquid pressure measurements falling below a liquid cut in pressure value. The controller is configured to initiate a gas pressure adjustment process when the liquid pressure measurements are less than a target gas side pressure.

Provided herein are whippable topping compositions comprising yogurt. The compositions comprise a blend of yogurt and a whip topping emulsion. The yogurt can be made with regular, low fat or fat free milk. The fat content of the whip topping emulsion can also be varied to provide topping compositions of various fat content having a smooth texture and desirable consistency.

Provided herein are whippable topping compositions comprising yogurt. The compositions comprise a blend of yogurt and a whip topping emulsion. The yogurt can be made with regular, low fat or fat free milk. The fat content of the whip topping emulsion can also be varied to provide topping compositions of various fat content having a smooth texture and desirable consistency.

Provided herein are whippable topping compositions comprising yogurt. The compositions comprise a blend of yogurt and a whip topping emulsion. The yogurt can be made with regular, low fat or fat free milk. The fat content of the whip topping emulsion can also be varied to provide topping compositions of various fat content having a smooth texture and desirable consistency.

Provided herein are whippable topping compositions comprising yogurt. The compositions comprise a blend of yogurt and a whip topping emulsion. The yogurt can be made with regular, low fat or fat free milk. The fat content of the whip topping emulsion can also be varied to provide topping compositions of various fat content having a smooth texture and desirable consistency.

A frozen food product dispensing machine includes a housing, a freezer barrel disposed within the housing, a plurality of drawers, and a manifold comprising a plurality of inlets and one outlet. The plurality of drawers are disposed within and slidably coupled to the housing and configured to each support a liquid food product mix reservoir. The inlets are each fluidly coupled to one of the liquid food product mix reservoirs, and the outlet is fluidly coupled to the freezer barrel to supply liquid food product mix from all of the liquid food product mix reservoirs to the freezer barrel.