Heat a grill pan on your stovetop on medium heat.
Wash and thoroughly dry the tomato.
Brush melted butter on one side of each piece of bread.
Once grill pan has heated up, place bread, buttered side down, on the grill pan.
Apply light pressure on the bread with a spatula, taking care not to move the bread. Toast until grill marks form on bread surface, approximately 2-3 minutes.
Repeat until all pieces of bread have been toasted on one side.
Allow bread to cool slightly.
Spread mayo to desired thickness on the non-grilled side of each piece of bread.
Add half of the crumbled bacon to the mayo layer.
Add the lettuce then tomato.
Add salt and pepper, if desired.
Add the second piece of bread, grilled side up.
Press down slightly on each sandwich and cut as desired.
Serve with your
preferred sides and enjoy!