Ganjang Gejang: A Dish You Only Make for Someone You Love

Ingredients

• 2 cups low-sodium soy sauce
• 1 sweet red apple (such as Gala), cut into eighths
• 4 large garlic cloves, smashed
• 2 Tbsp. dark brown sugar
• 1 5-in. square of dried kelp
• 1 2-in. piece of ginger, thinly sliced
• 2 medium red onions, thickly sliced, divided
• 2 large jalapeños, thickly sliced, divided
• 2 lb. live blue crabs (10-12 medium crabs)
• 6 cups steamed short- or medium-grain white rice, for serving