Build the Flavor Base Heat olive oil in a wide pot over medium heat. Add sliced onion and bell pepper. Sweat for 4–5 minutes until softened. Stir in garlic and aji amarillo paste and cook 1 minute until fragrant.
Bloom the Spices Add cumin and smoked paprika. Stir for 30 seconds to release their aroma.
Add Tomatoes & Liquids Add cherry tomatoes, coconut milk, and fish stock. Bring to a gentle simmer and cook 8–10 minutes until the broth is rich and slightly thickened.
Steam the Clams Add clams, cover, and cook 5–7 minutes until all shells open. Discard any that don’t open.
Finish with Citrus & Herbs Stir in fresh lime juice. Adjust salt as needed. Finish with cilantro and scallions.