Combine Brine Ingredients: In a medium pot, combine the white vinegar, water, sugar, salt, garlic, coriander seeds, black peppercorns, red pepper flakes, and bay leaf. Boil and simmer.
Prepare Ingredients: Cut sausage, peel eggs, and slice jalapeños.
Sterilize Jars: Boil jars and lids.
Layer Ingredients: Place sausage, eggs, and jalapeños in jars.
Add Brine: Pour hot brine over ingredients.
Seal and Process Jars: Seal jars and process in a boiling water bath.
Cool and Store: Cool jars, check seals, and store in a cool place.
Allow Flavors to Develop: Let jars sit for at least a week before consuming.
