This is probably the tasiest guacamole recipe I have ever had!  Great use for extra ripe avocados.   3 Avocados (flesh only) Juice of 1 lime 1/2 tsp of ground cumin 1/2 tsp of cayenne 1/2 tsp of salt 1/2 medium onion (optional) 1 tomato (preferably Roma)   Mush...