For Pimento Cheese - Mix all ingredients together very well. Refrigerate for up to a week.
For Guacamole - Mash all ingredients together well with a fork. Refrigerate for up to 2 days.
For Assembly - Spread 8 slices of bread with the Bacon Pimento Cheese, then spread the other 8 slices with guacamole. Make them into 8 sandwiches with one slice of each type of spread. Butter both outsides of the sandwiches. Heat a skillet over medium high heat and brown each side of the sandwiches. Remove from the skillet and serve!