Tag: frozen yogurt machines

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Self-Serve Frozen Yogurt Shop versus Behind-the-Counter

Over the last several years, the self-serve frozen yogurt concept has really taken off. Here are brief descriptions of self-serve and traditional behind-the-counter frozen yogurt concepts with advantages and disadvantages for each.

Self-Serve Frozen Yogurt Concept
In a self-serve shop, the customers fill their own cups with whatever yogurt and toppings they want. Their cup is weighed, and then they pay by the ounce.

Advantages: The customers pay for exactly what they get.
Complete control over your profit margin.
Customers can make it their way with whatever yogurt and topping combinations they want.
Usually requires fewer employees to run the store – many shops use just one employee.
Average dollar purchase is higher than traditional frozen yogurt shops.

Disadvantages:
Requires more machines to do it right – the minimum we recommend is five.
Makes it difficult to add additional menu items that require employee labor (like smoothies or crepes).
You end up losing a lot of product to free samples.
Because you can’t charge a separate price for the toppings, you really don’t end up making much money on them. In some cases you lose money on the toppings.

Traditional Behind-the-Counter Concept
The tradition way of running a frozen yogurt shop is with 2 to 4 machines behind a counter. Customers order the size and flavor and the employee dispenses it for them. The customers pay a set amount for each size.

Advantages:
Requires fewer machines.
Less wear and tear on the machines.
Better suited for serving other menu items (like shakes, smoothies, sundaes, food items, etc).
Toppings can be a profit center if priced separately.
Less wasted product.
More control over the customer experience.

Disadvantages:
Inconsistent portions served by employees.
Requires more employees to operate.
The average dollar purchase tends to be less than with self-serve shops.

As you can see, there are advantages to either concept. Ultimately, you need to decide what is right for your market and your business plan. It’s important to be aware of the trade-offs and adjust accordingly.

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Two Magic Numbers for Frozen Yogurt

The correct temperature setting on your soft-serve machine is critical for making a good frozen yogurt product and for extending the life of your mix. Every frozen yogurt shop owner should have a good food thermometer like this one: https://frocup.com/product/digital-thermometer/

Use a thermometer to check the temperature in the hopper (the reservoir where you pour the mix) and the temperature of the product when you dispense it from the machine.

Magic Number #1

Hopper Temperature = around 35 degrees F (between 34 to 39 degrees)

The hopper temperature is critical for keeping the product fresh The temperature in the hopper should be under 40 degrees F. Any warmer and the product can go bad. It should also be warmer than 32 degrees or else the product in the hopper will freeze. If you see the product freezing in the hopper, just raise the temperature a degree or two.

Magic Number #2

Finished Product Temperature = 17-19 degrees F

The temperature of the product when it is dispensed should be between 17-19 degrees F. This would also be the temperature of the freezing cylinder. Because Nanci’s Frozen Yogurt use pure fruit sugar, the temperature for our mixes needs to be a little lower than for cane sugar mixes. A sugar mix might come out stiff at 22 degrees, but Nanci’s mixes are better at around 18 degrees. This can easily be adjusted on your machine – just consult your manual or contact the manufacturer if you need help.

If your product ever comes out wet, soupy, or melted then you need to lower the temperature. Frozen yogurt should come out stiff, creamy, and frozen (not wet). It’s amazing what a difference a couple of degrees makes.

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How to Get the Most out of Your Machines

Frozen yogurt machines have two main jobs: 1) freeze the frozen yogurt mix, and 2) whip air into the mix. There are a few settings and components you should be familiar with on your machine to get the best performance and to make the best frozen yogurt.

Air

Air is the secret ingredient to making frozen yogurt come out smooth and creamy. If your product is coming our icy, dense, and dark in color then it doesn’t have enough air in it. Look at our blog article or our instructional video on how to get set the air.

Temperature

If your frozen yogurt comes out wet or soft, it’s because the temperature settings on your machine are not cold enough. Frozen yogurt should come out firm and stiff with no visible “wetness”. A good test of the right consistency is if you can make a curl at the peak of the yogurt swirl. If the machine is too cold the product in the hopper can freeze and the product in the freezing cylinder won’t come out (which can damage your machine).

The ideal temperature for the hopper is 36-40 degrees Fahrenheit or 2-4 degrees Celsius and the ideal temperature for the frozen yogurt as it is dispensed is 16-17 degrees Fahrenheit or about negative 8 degrees Celsius.

Parts

One of the main causes for icy frozen yogurt is worn out scraper blades. Although each frozen yogurt machine is slightly different, they all have a beater that scrapes the inside of the freezing cylinder. This makes sure no frozen ice particles build up on the edges. If the scraper blades are worn down they can’t adequately scrape the inside of the freezing barrel, making the frozen yogurt icier than it should be. The scraper blades on most machines can be pretty easily replaced and they should be switched out every month or so depending on the usage of your machine. O-rings are another part that wears out and should be replaced according the machine manufactures recommendations.

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The Secret Ingredient for Amazing Frozen Yogurt

Close your office door and make sure no one is listening because I’m about to share with you the secret to making amazing frozen yogurt…ready…here it is…AIR. That’s right – one of the key components of smooth and creamy frozen yogurt is to have air or overrun in the product. If the product comes out icy and dense that means there isn’t enough air in the mix. This is especially important with natural frozen yogurt mixes.

All frozen yogurt machines have a hopper and freezing cylinder. The hopper is where you pour the mix, and the freezing cylinder is the horizontal empty cylinder behind the handles where the mix is frozen and the air is whipped into it. Inside the freezing cylinder there should be at least 30-40% air. This gives room for the product to expand and create a nice, creamy consistency.

Getting air into the product will depend on the type of soft-serve machine you have. Here is a quick breakdown. For more detailed instructions and help contact us at 1-800-788-0808 or info@nancis.com. You can also visit our Training Page for a howto video on adding air into the product.

Pressurized or Pump Soft-Serve Machine

These machines pump the product into the freezing cylinder with the exact amount of air you want – up to 100% air. Pump machines allow for you to set the precise amount of air. Consult the operators manual for your machine to find out how to adjust these settings.

Gravity Soft-Serve Machines

With gravity machines, the mix is poured into a hopper on the top of the machine and gravity pulls the mix into the freezing cylinder. On a gravity machines you need to manually set the air, for a maximum of 45% air.

One very important piece on the machine is the carburetor tube or air tube. The carburetor tube is a skinny tube – usually stainless steel – that you insert into the intake hole in the bottom of the hopper. Once inserted, the top of the tube sticks up out of the product allowing air to get down into the product. All carburetor tubes have some way to shut off the product intake – either by flipping the tube over or by closing off the intake hole using a sleeve that fits around the tube.

Here are the 6 steps:

  1. Pour the frozen yogurt mix into the hopper without the carburetor tube and wait for the bubbling from the intake hole to stop. The freezing cylinder is now full.
  2. Insert the carburetor tube to stop the product from flowing into the freezing cylinder.
  3. Turn on the soft-serve machine and wait for it to freeze down and shut off.
  4. Keeping the intake closed, dispense 8-10 ounces of frozen yogurt into a clean cup. This product can be put back into the hopper.
  5. Wait for the machine to cycle off then open the air intake either by flipping the tube around or sliding the sleeve on the tube.
  6. The overrun is now set and the product should come out smooth and creamy. As long as you leave the air tube in place it will stay this way.
Another important factor in dispensing a great product is the temperature on the frozen yogurt coming out of the machine. Nanci’s mixes are best served at 17 degrees F.

If you have any questions, please contact us.