Step 1: Pour oil into a skillet and fry the chorizo. Once ready, chop the chorizo into small pieces on a cutting board. Place the chorizo on a small dish.
Step 2: On an additional dish, place the cooked beans. Adjust consistency to taste.
Step 3: Place the avocado on a dish, squeeze half a lemon, and add a pinch of salt. Mix until the guacamole is ready.
Step 4: Serve guacamole, beans, and chorizo on each Tostón. And enjoy!