01 -
Peel the carrots and cut them into even sticks about 3 inches long and 1/2 inch thick.
02 -
Place the carrot sticks, smashed garlic, jalapeno if using, and peppercorns in a clean wide-mouth quart jar.
03 -
Combine apple cider vinegar, water, honey, kosher salt, and red pepper flakes in a small saucepan. Bring to a gentle simmer for 2-3 minutes, stirring until the honey and salt dissolve.
04 -
Carefully pour the hot brine over the carrots until fully covered. Tap the jar gently to release air bubbles.
05 -
Let the jar stand at room temperature for about 30 minutes, until no longer steaming hot.
06 -
Seal the jar and refrigerate for at least 24 hours before eating. Keep chilled and use clean utensils when serving.