Lamb and Bean Nachos With Salsa Fresca

Name: Lamb and Bean Nachos With Salsa Fresca
Ingredients: 500 g ground lamb; 35 g taco seasoning mix; 425 g tomatoes; 420 g Mexican chili beans (or mexibeans in Australia); 1⁄4 cup water; 240 g plain toasted corn chips; 1 cup grated cheddar cheese; 2 medium avocados, mashed; 1⁄2 cup sour cream; Salsa Fresca; 4 large egg tomatoes, chopped finely; 1 small red onion, chopped finely; 1 tablespoon olive oil; 1 tablespoon lemon juice; 1 garlic clove, crushed; 2 tablespoons coriander leaves, finely chopped