- Preheat oven to 400F. 
- Remove outer flakey layer of garlic.  Chop off the top the garlic to expose all garlic cloves.  Place entire garlic bulb in one hole of a muffin tin.  Drizzle with olive oil. 
- Roast garlic at 400F for 30 minutes until softened and fragrant.  Remove from oven and allow to cool.  Squeeze out roasted garlic into small bowl. 
- In small bowl, combine roasted garlic, mustard, mayonnaise, Worcestershire sauce, paprika, pepper, salt, and lemon juice. 
- Spread butter on one side of each bread slice. 
- Lay one slice butter side down on large, flat skillet. 
- Spread garlic mixture on top of bread, then layer with two slices of cheese, and top with other slice of bread (butter side up). 
- Cook on medium-low heat 3-5 minutes until bread is toasted.  Flip and repeat on the other side until cheese is melted and bread is brown.