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McCormick?Alum (ammonium aluminum sulfate) is a food additive that is ideal for pickling and canning. It helps create crisp pickled fruits and pickled vegetables. Wondering what exactly alum is used for? This cooking essential is a crystalline powder that helps keep fruits and vegetables firm and crispy when cooking. Try adding a bit of alum when pickling for that perfect crunch. Dissolve alum in water using amounts specified in your recipe. Soak produce in the alum solution according to the specified time. Drain and discard the solution. Rinse the produce well then continue with the pickling and canning process. We recommend seasoning the brine with McCormick Pickling Spices when pickling your fruits and vegetables.

McCormick Alum is ideal for pickling and canning

A general-purpose food additive that functions as a firming agent

Keeps pickled veggies and fruits firm and crispy

Preserve your veggies by making pickled onions, greens beans and cucumbers

Also try pickling fruit like peaches, plums and watermelon rind
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