Slice avocado in half and scoop flesh into a small bowl. Add salt, pepper, and red pepper flake. Mash ingredients together with a fork. Set aside.
Heat a pan under medium fire and coat with olive oil, avocado oil, or non-stick spray. Add patty to pan and cook on one side for 2-3 minutes. Flip patty and cook on other side. Crack egg onto pan, cook until desired doneness, add salt and pepper to taste. Toast bread.
Assemble by adding mashed avocado mixture to bread. Add TRIBALÍ patty and then fried egg. Garnish with tomatoes, red onion, and cilantro.