Bread and Butter Pickles

Ingredients

• 3 pounds pickling cucumbers or Kirby
• 3 sweet onions large, thinly sliced
• 3/4 cup kosher salt Diamond, the brand does matter here, other Kosher salts will be way too salty
• 1 1/2 cups sugar
• 1 1/2 cups white vinegar
• 3/4 teaspoon turmeric
• 3 tablespoons mustard seeds I used both yellow and brown
• 3 tablespoons coriander seeds
• 3/4 teaspoon celery seed