Final answer:
The avocado tacos are served in a bed of guacamole, which is a traditional Mexican dish made with mashed avocados, lemon juice, onion, tomatoes, coriander, salt, and pepper.
Step-by-step explanation:
The avocado tacos are served in a bed of guacamole. Guacamole is a traditional Mexican dish made with mashed avocados, lemon juice, onion, tomatoes, coriander, salt, and pepper. The avocado in the tacos is likely prepared in the form of guacamole, which serves as a delicious and creamy base for the tacos.