Fresh Cabbage Kimchi

Ingredients

• 2 tablespoons fish sauce
• 1 heaping tablespoon Korean red pepper flakes or 1 teaspoon crushed red pepper
• 1 pound baby bok choy, trimmed and quartered lengthwise
• 1 tablespoon toasted sesame oil, plus more for drizzling
• 1/3 cup kosher salt
• 1/4 cup plus 1 teaspoon sugar
• 1 teaspoon finely grated peeled fresh ginger
• 2 teaspoons finely grated or minced garlic
• Toasted sesame seeds, for garnish
• 1 pound napa cabbage, chopped