Remove the seeds and stems from the habaneros. Mince the habaneros and the garlic. Take 2 tablespoons of the butter and melt in a skillet on medium-low. Add the habaneros and cook 3 minutes. Salt. Add the garlic and cook 2 more minutes. Remove from heat and allow to cool. Mix this mixture with the rest of the room temp butter. Squeeze in the lime and mix in the cilantro. Put this mixture on to a peice of plastic wrap and roll it up into a tube. Twist the ends. Put it into the freezer for about 15 minutes, then move to the fridge. Let cool for a few hours.

This was great on these burgers. There was also a slaw of cabbage, cucumbers, and scallions, that was dressed with some vinegar, sriracha, and soy sauce.