01 -
Wear gloves. Trim the stems and slice the jalapeños into 1/4-inch rings. Remove some ribs and seeds first if you want a milder batch.
02 -
In a wide non-reactive pot, combine both sugars, apple cider vinegar, garlic powder, turmeric, mustard seeds, celery seed, salt, and red pepper flakes. Bring to a simmer over medium heat and stir until the sugar dissolves.
03 -
Add the jalapeño rings to the bubbling syrup. Simmer for 5 minutes, folding gently, until the peppers look shiny and slightly softened.
04 -
Use a slotted spoon to transfer the jalapeños into clean heat-safe jars, packing them loosely and leaving room for syrup.
05 -
Boil the syrup for 5-8 minutes until it thickens slightly. Pour the hot syrup over the peppers until they are covered.
06 -
Let the jars cool at room temperature, then cover and refrigerate. Chill for at least 3 days before serving for the best flavor.