Chop red onion, tomato, and half the cilantro. Mix together and add 1 tbsp of lime juice and salt and pepper.
Mash avocados and garlic with 1 tbsp of lime juice (I use a food processor to speed things up - get it!?). Add cilantro and salt and pepper.
Remove stems from collard greens. Use a bowl to flip over and cut out circle shapes.
Layer up pico de gallo, guacamole, and sprouts over collard greens taco shells. Serve and enjoy!