2 avocados, peeled 1 medium onion, chopped 2 green chilies, deseeded and chopped 1 tbsp lemon juice 1 tsp salt 1/2 tsp black pepper, coarsely ground 4 to 8 tbsp mayonnaise 2 medium tomatoes, skinned and finely chopped tortilla chips
Put the avocados, onion, chilies, lemon juice, salt and pepper in a food processor or blender and process until creamy. Add mayo and process briefly, then turn the mixture into a bowl and stir in the chopped tomatoes. Cover and chill. Serve with tortilla chips.