01 -
Fill a medium mixing bowl with ice and water. Peel and slice the carrots into thin coins. Fill a medium saucepan with a few inches of water and bring it to a boil. Carefully add the carrots and reduce the temp to medium-high. Cook for 2 minutes. Drain the carrots and transfer them to the ice water for 5 minutes. Drain again.
02 -
In a saucepan, bring vinegar(s), water salt, sugar, and garlic to a boil. Once it has boiled and the sugar has dissolved, reduce the brine to a simmer and keep hot on the stove.
03 -
In clean jars, evenly divide the onion, peppercorns, and red pepper flakes. Add the carrots to the jars. Tuck some of the dill and sliced red pepper amongst the carrot coins. Pour the warm brine over the carrots, put a lid on the jars, and keep them on the counter for 12 hours. Transfer jars to the fridge. Will keep for 3-4 weeks.