Chocolate Clams and Salsa

Name: Chocolate Clams and Salsa
Prep time: 30 min
Cook time: 20 min
Total time: 50 min
Cuisine: American, Mexican, Latin American
Ingredients: 1 cup mayonnaise; 2 tablespoons Dijon mustard; 1 bunch fresh cilantro, chopped; 1 onion, finely chopped; 1 jalapeno pepper, seeded and chopped; Salt and freshly ground black pepper; 4 tomatoes, seeded and diced; 1 serrano chile, seeded and diced; 1 onion, diced; Zest and juice of 1 lime; 1 handful fresh cilantro, chopped; A touch olive oil; Salt and freshly ground black pepper; Salt and freshly ground black pepper; 1/4 cup lard (pork fat); 1 onion, chopped; 3 cloves garlic, minced; 1 chipotle pepper, seeded and diced; About 3 cups cooked black beans; Salt and freshly ground black pepper; Salt and freshly ground black pepper; 2 pounds/1 kg chocolate clams in shells; Lime wedges, to garnish