Crisp Dill Pickles - cooking recipe

Ingredients

25 cucumbers
JARS
12 heads dill, divided
6 teaspoons mustard seeds, divided
6 garlic cloves, divided
3 teaspoons alum, divided
BRINE
5 cups cider vinegar
10 cups water
1/2 cup kosher salt

Preparation

Scrub 25 medium cucumbers.
Pack in jars.
Place 2 heads dill, 1 teaspoon mustard seed, 1 clove garlic, and 1/2 teaspoon alum in each jar.
Heat cider vinegar, water, and kosher salt for the brine.
Bring to a boil.
Fill jars with hot liquid.
Seal.