Prepare the Chipotle sauce by processing all the sauce ingredients together and then boil it covered for 3 - 5 minutes and then allow to completely cool
Add 3 tbsps of this to the shrimp and marinate
Shallow fry the shrimp till cooked for just a few minutes on both sides
To assemble the tacos, heat the tortilla and smear with some guacamole, add some lettuce, pico de Gallo and then the shrimp. Top with sour cream and some chipotle sauce