Salt is a solid texture stand-by for a reason.
It provides a variety of unpredictable texturizing results depending on the size and spread of the grains and adds a crystallization that is incredibly effective at evoking ice and snow.
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My favourite is to use the Safety rock salt for de-icing driveways and sidewalks.
But I’ve had good success with regular table salt, kosher and sea salt.
The most important part is putting it on at the right time: not puddly wet, not dry.
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This is SO my favourite texture.