Causa Rellena

Name: Causa Rellena
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: Latin American
Ingredients: 3 lb potatoes ((yellow flesh)); 2 tablespoons aji amarillo paste ((or alternatively, 1 large orange or yellow hot pepper)); 3 limes (, squeezed); 1 clove garlic (, crushed); 1 tablespoon mayonnaise; Salt; Pepper; 10 oz. canned tuna; 1 tablespoon olive oil; 2 tablespoons mayonnaise ((or more to taste)); 1 scallion (, finely chopped); 10 cilantro leaves (, chopped); 2 avocados ((ripe), peeled and cut into thin strips); 3 tablespoons cooked peas; 1 cooked carrot (, diced); 2 hard-boiled eggs; A few black olives; 1 small red hot pepper; Food processor