How long does it take to prepare a batch of AussieBlends Soft Serve Mix?

The full preparation takes under 15 minutes: 30-40 seconds to whisk the powder into water or milk, an optional 15-second flavoring step, and at least 10 minutes of refrigerated rest for stabilizers to bloom. After loading the hopper, the soft serve machine takes 5-15 additional minutes to freeze and aerate the mix.

Can I prepare AussieBlends Soft Serve Mix with water instead of milk?

Yes. AussieBlends Soft Serve Mix is fully formulated to work with cold purified water alone. However, using whole milk adds approximately 13% more solids, producing a richer, creamier final texture. Plant-based milk (oat, almond, soy) also works well for non-dairy applications and yields a denser mouthfeel than water alone.

What is overrun and why does it matter?

Overrun is the percentage of air incorporated into soft serve during freezing. It is measured by the weight difference of the same volume before and after churning. Higher overrun creates a lighter, fluffier texture and increases yield per bag. Gravity machines typically achieve up to 30% overrun (denser, richer); pump machines can reach up to 60% (lighter, higher yield per bag).

Which commercial soft serve machines are compatible with AussieBlends mixes?

AussieBlends Soft Serve Mix is formulated to work with all major commercial soft serve machines, including Taylor, Carpigiani, Electro Freeze, Stoelting, Spaceman, and comparable brands. No equipment switch is needed. Both gravity-fed and pump-driven systems are fully compatible. Follow your specific machine guidelines for batch size, hopper fill level, and freezing time.

How often do I need to clean the soft serve machine?

Cleaning frequency depends on your machine type. Machines with a refrigerated hopper can typically be cleaned every 3 days because the cold environment slows bacterial growth. Machines without a refrigerated hopper must be cleaned every 24 hours (daily) to prevent bacterial contamination. Always follow your manufacturer sanitization protocol - proper cleaning also produces more consistent texture.

Why does my soft serve come out grainy or icy?

Grainy or icy soft serve is caused by large ice crystals (greater than 50 microns). This usually indicates one of the following: insufficient stabilizer hydration (skip the 10-minute rest), slow freezing in a worn-out machine, or temperature fluctuations during dispensing. Silky soft serve has crystals smaller than 50 microns - invisible on the palate - achieved through rapid freezing combined with the stabilizers built into AussieBlends mix.

What flavoring should I use with Soft Serve Mix?

For soft serve specifically, AussieBlends recommends X-Flavors concentrated flavorings. They are designed for high-volume, lower-fat applications and integrate seamlessly with the Soft Serve Mix base. The high concentration means a small dose delivers full flavor. For batch-frozen hard ice cream and gelato, gourmet pastes (like Dolce Delizia) are preferred because they integrate better with high-fat dairy bases.

How many servings does one bag of Soft Serve Mix produce?

Yield depends on your machine overrun setting and serving size. As a general guide, one bag of AussieBlends Soft Serve Mix prepared with the recommended water or milk volume produces approximately 140-180 standard 4-oz cones on a pump machine (high overrun), or roughly 100-130 cones on a gravity machine (lower overrun, denser product). Larger sundae or float servings will reduce these counts.

Can I use AussieBlends Soft Serve Mix for vegan or non-dairy applications?

AussieBlends offers a dedicated Vegan Soft Serve Mix formulated specifically for plant-based applications. The standard Soft Serve Mix can also be prepared with plant-based milk (oat, almond, soy, coconut) for a hybrid result, though the dedicated vegan formulation delivers superior texture and stability for true non-dairy products. For coconut-based options, see our Coconut Vegan Mix.

How should I store the liquid mix between service hours?

Always keep the prepared liquid mix refrigerated below 4C / 40F at all times - either in a covered bucket in the walk-in fridge before loading, or directly in the soft serve machine refrigerated hopper. Never let the liquid mix sit at room temperature, as this accelerates bacterial growth and degrades stabilizer function. Unused liquid mix should be used within 72 hours of preparation.

Soft Serve Overrun

Q: What is overrun in soft serve?

Overrun is the percentage of air whipped into the mix as it freezes. A 50% overrun means 1 liter of liquid mix becomes 1.5 liters of finished soft serve - half of the finished volume is air. It is the single most important routine measurement because it controls texture, yield (servings per bag), and cost per serving.

Q: How do you measure overrun on a soft serve machine?

Weigh a fixed, level-full volume of liquid mix (Wmix), then weigh the same container filled to the same level with finished soft serve (Wserve). Apply the formula: Overrun (%) = [(Wmix - Wserve) / Wserve] times 100. The golden rule: use the same container and the same fill level for both readings.

Q: What is a good overrun percentage for soft serve?

Gravity-fed machines typically reach about 30-40%; pump-fed machines up to about 60%. A common operating band is ~30-50%. A premium, denser positioning sits at the lower end (~20-35%).

Q: Does higher overrun mean less product?

Higher overrun means more air, so a fixed volume weighs less - but you also get more servings per bag (higher yield). The trade-off is body and richness versus yield: too much air produces a light, foamy product that eats less creamy. The mix formulation determines how much air can be held as creamy structure rather than empty foam.

Q: Why does the finished product weigh less than the mix?

Because air has negligible weight. The more air incorporated (the higher the overrun), the lighter a fixed volume of finished product is compared with the same volume of liquid mix. That weight difference is exactly what the measurement captures - the heavier the finished product for the same volume, the lower the overrun.

Q: How often should overrun be measured?

Measure at machine start-up each day, after any mix or recipe change, after service on the pump or refrigeration system, and periodically during high-volume service. Logging each value (date, time, machine, flavor, operator) reveals drift before it reaches the customer.

Technical Procedure · Quality Control

When the machine freezes and whips the mix, it incorporates air and expands the volume. Overrun expresses that expansion as a percentage. A 50% overrun means 1 liter of liquid mix becomes 1.5 liters of finished soft serve — half of the finished volume is air.

Because air has negligible weight, a fixed volume of finished product weighs less than the same volume of liquid mix, and that weight difference is exactly what we measure.

Overrun (%) = [(W_mix − W_serve) ÷ W_serve] × 100 W_mix = weight of a fixed volume of liquid mix · W_serve = weight of the same volume of finished soft serve

Inverse relationship: the heavier the finished product for the same volume, the less air it contains and the lower the overrun.

Download the PDF guide ← Back to the Soft Serve Process

Visual Guide

The science of soft serve overrun: overrun is the percentage of volume expansion created by air, calculated as (W_mix minus W_serve) divided by W_serve times 100, using the same container for both weights. Heavier finished product means lower overrun — W_serve at 87% of mix weight gives 15% overrun, 77% gives 30%, 67% gives 50%, 60% gives 67%, and 50% gives 100%. — Figure 1. The overrun weight method at a glance — the formula, the golden rule, and the inverse weight/air relationship.

Measurement Principle

Two equivalent practical methods exist; both compare a fixed volume. The same container and the same fill level must be used for both readings.

Method A · Recommended

Equal-volume weight method

Compare the net weight of a fixed volume of liquid mix against the net weight of the same volume of finished soft serve.

Overrun (%) = [(W_mix − W_serve) ÷ W_serve] × 100

Method B · Equivalent

Density method

Because overrun is an air-volume comparison, it can also be written from densities (weight per fixed cup). Identical to Method A when the same container is used.

Overrun (%) = [(D_mix − D_serve) ÷ D_serve] × 100

Equipment Needed

A rigid, fixed-volume container (a standard weigh cup or portion cup) that can be filled and leveled identically each time.
A digital gram scale (resolution 1 g; capacity ≥ 1 kg).
A flat straight edge or spatula to level the fill.
The machine at normal running / serving temperature.

Key to accuracy: consistency of fill volume and fill level between the two measurements is the entire basis of accuracy — use the same container and level it the same way both times.

Step-by-Step Procedure (Method A)

Tare the container

Place the empty container on the scale and record its empty weight (T), or press tare to zero.

Measure the mix

Fill the container level-full with liquid mix (the same mix that is in the hopper). Level the top. Weigh it. Net mix weight W_mix = (gross − T). Record.

Clean and reset

Empty and wipe the container so no mix residue remains. Re-tare if needed.

Measure the finished product

Dispense finished soft serve into the same container, filling to the exact same level and pressing gently to eliminate voids (trapped air inflates the reading). Level the top. Weigh it. W_serve = (gross − T). Record.

Calculate and log

Apply the formula, then log the value with date, time, machine, flavor, and operator.

Worked Examples

Assume the container holds 1000 g of liquid mix (W_mix = 1000 g):

Finished weight (W_serve)	Calculation	Overrun
500 g	(1000 − 500) ÷ 500 × 100	100%
625 g	(1000 − 625) ÷ 625 × 100	60%
667 g	(1000 − 667) ÷ 667 × 100	~50%
769 g	(1000 − 769) ÷ 769 × 100	~30%
870 g	(1000 − 870) ÷ 870 × 100	~15%

Target Overrun Ranges

Machine / product type	Typical overrun
Gravity-fed soft serve	up to ~30–40% (denser, richer)
Pump-fed soft serve	up to ~60% (lighter, higher yield)
Common operating band	~30–50%
Premium / dense positioning	lower end (~20–35%)

Factors That Change Overrun

Factor	Effect	Adjustment
Air pump setting (pump machines)	Primary control of air ratio	Increase / decrease pump air to dial overrun
Machine type	Gravity limits overrun; pump enables high overrun	Select equipment to match target
Mix temperature	Warmer mix entrains more air	Keep mix consistently cold (< 4°C)
Mix composition (fat, solids, emulsifier, stabilizer)	Determines air-holding capacity	Use a properly formulated mix
Mix level in hopper	Low level can draw extra air	Maintain adequate hopper level
Worn blades / poor refrigeration	Slow freezing, unstable structure	Maintain blades and refrigeration

Frequency & logging: measure overrun at machine start-up each day, after any mix or recipe change, after service on the pump or refrigeration, and periodically during high-volume service. Trending a simple log reveals drift before it reaches the customer.

Troubleshooting Overrun Readings

Observation	Likely cause	Action
Reads higher than target	Pump air too high; mix too warm; trapped voids in the cup	Lower pump air; chill mix; pack cup to remove voids
Reads lower than target	Pump air too low; low hopper level; gravity machine ceiling	Raise pump air; top up hopper; verify machine type
Inconsistent between tests	Different fill level / volume between mix and product	Use identical container and leveling each time
Good overrun but poor texture	Overrun correct but freezing slow or stabilizer weak	Check blades / refrigeration and mix formulation

Quick Reference

Formula

Overrun (%) = [(W_mix − W_serve) ÷ W_serve] × 100

Rule of thumb

Finished product at half the mix weight = 100% overrun; at ~⅔ the mix weight ≈ 50%.

Targets

Gravity up to ~30–40%; pump up to ~60%; common band ~30–50%.

Golden rule

Same container, same fill level, both times.

Great soft serve starts with the mix

Overrun is how the machine adds air — but the emulsifier and stabilizer systems in the mix decide whether that air becomes creamy body or empty foam. Build your program on a mix engineered for it.

Shop Soft Serve Mixes Read the full Soft Serve Process

Run your own numbers

Weighed a fixed volume of mix and the same volume of finished soft serve? Get your overrun in one click.

Frequently Asked Questions

What is overrun in soft serve?

Overrun is the percentage of air whipped into the mix as it freezes. A 50% overrun means 1 liter of liquid mix becomes 1.5 liters of finished soft serve — half of the finished volume is air. It is the single most important routine measurement because it controls texture, yield (servings per bag), and cost per serving.

How do you measure overrun on a soft serve machine?

Weigh a fixed, level-full volume of liquid mix (W_mix), then weigh the same container filled to the same level with finished soft serve (W_serve). Apply the formula:

Overrun (%) = [(W_mix − W_serve) ÷ W_serve] × 100

The golden rule: use the same container and the same fill level for both readings.

What is a good overrun percentage for soft serve?

Gravity-fed machines typically reach about 30–40%; pump-fed machines up to about 60%. A common operating band is ~30–50%. A premium, denser positioning sits at the lower end (~20–35%).

Does higher overrun mean less product?

Higher overrun means more air, so a fixed volume weighs less — but you also get more servings per bag (higher yield). The trade-off is body and richness versus yield: too much air produces a light, foamy product that eats less creamy. The mix formulation determines how much air can be held as creamy structure rather than empty foam.

Why does the finished product weigh less than the mix?

Because air has negligible weight. The more air incorporated (the higher the overrun), the lighter a fixed volume of finished product is compared with the same volume of liquid mix. That weight difference is exactly what the measurement captures — the heavier the finished product for the same volume, the lower the overrun.

How often should overrun be measured?