Metro 12WS52C Wall Kit - 12 in D x 48 in W
$69.70


Metro 5MPX MetroMax Q Stem Caster, 5 Diam, 300 lb Capacity
$23.76


Metro 5MPBX MetroMax Q Stem Caster w/ Brake, 5 D, 300 lb Cap
$26.88


Metro 9992DB Super Erecta Rubber Donut Bumper, 3-1/2 in Diam, 3/4 in H
$3.96


Metro BC162734BK BC Series Utility Cart, 3-Shelves 18 in x 28 in, Swivel Casters, Black
$123.36


Metro BC162724BK BC Series Utility Cart, 2-Shelves 18 in x 28 in, Swivel Casters, Black
$105.36


Metro C515-CFC-U C5 1/2-Height Heated Proof & Hold Cabinet, Clear Door, Universal Slides
$1,445.00


Metro AW33C Super Erecta Wall Mounts, 18 in Shelf Width
$74.80


Metro 9990P4 Super Erecta Label Holder, 43 in x 1-1/4 in, Gray, Snap-On, No Labels
$5.95


Metro 1WS18C Super Erecta Chrome Shelf Support For 18-in Shelf
$16.94

4/17/2013

Science In A Scoop: Making Liquid Nitrogen Ice Cream


Robyn Sue Fisher's ice cream shop, Smitten, in San Francisco's Hayes Valley, may at moments resemble a high school chemistry lab, but that's because Fisher uses liquid nitrogen to freeze her product.

Nitrogen is "a natural element," she notes. "It's all around us."

What makes it essential to Smitten is the ability to make ice cream fresh to order. You walk up and ask for a chocolate, or a blood orange with pistachio. The liquid nitrogen freezes the ingredients together, and your cup or cone is ready about a minute later.

Because servings are made on the spot, each one requires just a few ingredients. Normally, ice cream needs gums, egg yolks or other stabilizers and emulsifiers to keep it frozen on its months-long journey from manufacturer to distributor to store to your home freezer


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