Bread and Butter Pickles Recipe.

Achieving that famous snappy crunch while ensuring full food safety requires careful temperature and intensity control at each step:

Phase	Heat / Intensity Level	Duration	Purpose
Ice Salt Soaking	Cold ( $32^\circ\text{F} / 0^\circ\text{C}$ )	2–3 hours	Draws out excess water from cucumbers, firming cell walls for max crunch.
Brine Simmering	Medium-High	8–10 minutes	Dissolves sugars and infuses spices evenly into the vinegar base.
Pickle Warm-Through	Medium (Gentle Heat)	3–5 minutes	Heats cucumber slices through without overcooking them into softness.
Canning Pot Pre-Heat	Medium-High	15–20 minutes	Brings canning bath to a gentle $180^\circ\text{F}$ ( $82^\circ\text{C}$ ) before jar insertion.
Water Bath Processing	High (Rolling Boil)	10 minutes*	Drives out trapped air and vacuum-seals jars for long-term shelf storage.

*Note: If canning above 1,000 feet in elevation, adjust processing times according to the altitude table below.

Large non-reactive mixing bowl (glass, ceramic, or stainless steel)
Mandoline slicer or sharp chef’s knife (crinkle-cut blade optional)
Colander for draining
Large heavy-bottomed stockpot (non-reactive stainless steel or enameled Dutch oven)
Water bath canner with a wire jar rack
4 to 5 pint-sized Mason jars with fresh lids and screw bands
Canning kit: jar lifter, canning funnel, bubble remover/headspace tool, and clean cloths

3 lbs (1.35 kg) Kirby Cucumbers or Pickling Cucumbers (sliced into $1/4\text{-inch}$ thick rounds)
1.5 lbs (680 g) Yellow Onions (thinly sliced)
1/4 cup Canning & Pickling Salt (do not use iodized table salt)
2–3 cups Crushed Ice (for the cold soak)

Slice Vegetables: Wash cucumbers thoroughly in cold water. Trim off and discard the blossom end of each cucumber (contains enzymes that cause softening). Slice into uniform $1/4\text{-inch}$ rounds. Thinly slice the yellow onions.
Salt & Ice Layering: In a large non-reactive bowl, layer the cucumber slices and onions with 1/4 cup of canning salt. Cover the top completely with 2 to 3 cups of crushed ice.
Soak: Let the bowl sit at room temperature for 2 to 3 hours. As the ice melts, the salt draws out moisture, guaranteeing a super-crisp pickle.
Rinse & Drain: Pour the mixture into a colander. Rinse thoroughly under cold running water to remove excess salt. Drain extremely well, pressing down lightly.

Make the Brine: In your large stockpot, combine apple cider vinegar, white sugar, brown sugar, mustard seeds, celery seeds, peppercorns, turmeric, and whole cloves.
Bring to Simmer: Place over Medium-High heat and stir until the sugars are completely dissolved. Bring the sweet spice brine to a boil.
Add Vegetables: Add the drained cucumber slices and onions directly into the boiling brine. Reduce heat to Medium and heat for 3 to 5 minutes, stirring gently, until the slices are heated through and turn a pale olive-green shade. Do not let them boil heavily, or they will lose their crunch.

Prep Hot Jars: Fill your water bath canner half-full with water and heat to a simmer ( $180^\circ\text{F}$ ). Keep your clean pint jars hot in the water.
Pack Jars: Using a canning funnel, pack the hot cucumber and onion slices snugly into hot jars. Pour the hot pickling brine over the pickles, leaving 1/2-inch ( $1.25\text{ cm}$ ) of headspace at the top.
Remove Bubbles & Wipe Rims: Slide a non-metallic bubble remover along the inside edges to release trapped air bubbles. Adjust brine if needed to maintain 1/2-inch headspace. Wipe jar rims with a damp cloth to ensure a tight seal.
Apply Lids: Place flat lids on top and screw bands down until fingertip tight.
Process in Water Bath: Lower jars into the canner. Ensure water level is at least 1 to 2 inches above the jar tops. Cover pot and bring to a rolling boil over High heat. Once boiling, process for 10 minutes.
Cool & Seal: Turn off heat, remove lid, and rest jars in the water for 5 minutes. Carefully transfer jars to a towel-lined counter. Allow to cool undisturbed for 12 to 24 hours until lids pop tight.

Water boils at lower temperatures at higher elevations. Adjust processing time according to elevation:

Curing Time: For best flavor, let sealed jars sit in the pantry for 3 to 4 weeks before opening so the pickles absorb the sweet brine completely.
Unopened Shelf Life: Properly processed, sealed jars will store safely in a cool, dark place for 12 to 18 months.
After Opening: Keep opened jars in the refrigerator and consume within 4 to 6 weeks.

Serving Size: about 1 oz / 4–5 pickle slices (approx. 30g)

Servings Per Recipe: ~48 servings