Method

• Cut the cabbage in half
• Core it and slice it thinly
• Mince the shallots and peppers
• Transfer everything into a big mixing bowl with a couple pinches of salt and grinds of pepper
• In another mixing bowl, whisk together all the wet ingredients
• Pour the buttermilk mixture over the cabbage and mix
• Let it sit in the fridge for at least an hour, a day is better