Monkfish Coconut Red Curry

Ingredients

• 1lb monkfish filet
• 1 Tbsp vegetable oil
• 1 onion, halved and thinly slices (about 1 cup)
• 1 red bell peppers, stems, ribs and seeds removed, cut into slices
• 1 Tbsp fresh ginger, minced or grated
• 2 Tbsp chopped cilantro stems, plus leaves for serving
• Salt
• pepper
• 2 Tbsp red curry paste
• 2 Tbsp white-wine vinegar
• 1 can coconut milk
• 8oz water
• Cooked rice, for serving
• 1 serrano or other preferred chile, thinly sliced, for serving