Green Cod Rice Skillet

Name: Green Cod Rice Skillet
Ingredients: 1 yellow onion (coarsely chopped); 5 cloves garlic (peeled); 1 knob fresh ginger (peeled); 142g (5oz) baby spinach; ¼ cup fresh cilantro (tightly packed); 2 tbsp neutral oil (I used canola oil); 1 tsp black mustard seeds; 1 tsp whole cumin seeds; 2 tsp Kashmiri chili powder **; 1 1/2 cups basmati rice; 2 3/4 cups fish or vegetable stock; 1 tsp salt; 2 large cod fillets (cut in half); 1 cup frozen green peas; 200g (7oz) green beans (cut into 1 1/2-inch pieces); 1 tbsp honey; 1 tbsp olive oil; ⅓ cup full-fat yogurt; 2 red pencil hot peppers (sliced thin); Fresh cilantro leaves (for sprinkling)