Cilantro Slaw

INGREDIENTS

• 2 cups fresh cilantro leaves, barely chopped
• 1 cup mayonnaise
• 2 cups whole milk, plus more for thinning
• 1/2 teaspoon salt
• 1 head purple cabbage, sliced thin
• 2 tablespoons sugar
• 1/2 teaspoon cayenne pepper
• 4 teaspoons white vinegar
• 1 head green cabbage, sliced thin
• 1 teaspoon ground black pepper