Fry bacon. Set aside.
Sprinkle layer of cheese on both sides of the bread.
On one of the cheese covered bread slices dollop a layer of Guacamole followed by your diced tomatoes.
On the other piece of bread place your bacon.
Carefully close the two sides into a sandwich.
Preheat a skillet to a medium heat.
Apply a thin layer of mayonnaise to each outer side of Sandwich.
Place the sandwich in the heated skillet and grilled until cheese is melted and bread is a golden brown on both sides.
Remove from skillet slice and serve.
