Sponge toffee
From Wikipedia, the free encyclopedia
Sponge toffee (also known as honeycomb toffee, cinder toffee in Britain, hokey pokey in New Zealand, sponge candy in Erie, Pennsylvania and Buffalo, New York, or occasionally sea foam in Washington, Oregon and California) is a sugary confection with a light, rigid, foam-like texture, and is very sticky due to its sugar content.
Its main ingredients are typically brown sugar, corn syrup, and baking soda, plus an acid such as vinegar. The baking soda and acid react to form carbon dioxide which is trapped in the highly viscous mixture.
Sponge toffee is often sold in candy stores in small blocks, or covered in chocolate (most popularly the Crunchie or Violet Crumble bar).
New Zealand's hokey pokey ice cream, despite sharing its name with a New Zealand term for sponge toffee, is generally made with hard toffee.
The lattice structure is formed while sugar is liquid. Sodium bicarbonate (baking soda) reacts with the acid (vinegar) and emits carbon dioxide. The liquid sugar is cooled with the bubbles.
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