Moroccan-Style Cod - Serving Dumplings

Ingredients

• 1 tbsp olive oil
• 1 tbsp salted butter
• 1 green bell pepper (deseeded and chopped)
• 1 red bell pepper (deseeded and chopped)
• 2 carrots (chopped)
• 1 yellow onion (diced)
• 6 garlic cloves (minced)
• 1 tsp salt
• 1 tsp black pepper
• 1 tsp ground coriander
• 1 tsp ground cumin
• 2 tbsp tomato paste
• 3 tbsp mild rose harissa (more or less to taste)
• ⅓ cup chopped cilantro (more for serving)
• ¾ cup low sodium vegetable broth
• 4 cod fillets
• 2 tbsp lemon juice
• freshly ground black pepper (for serving)
• chili flakes (for serving)