1 pound green slicing tomatoes
For Brine:
1 cup white distilled vinegar (5% acidity)
1 cup water
1 tablespoon kosher salt
Basic pickling spice mix
1 teaspoon yellow mustard seeds
1 teaspoon celery seeds
1 teaspoon coriander seeds
1/2 teaspoon black peppercorns
1/2 teaspoon whole allspice