Spread butter on one side of each bread slice.
Evenly spread goat cheese and fig jam on the other side of 2 of the bread slices.
Evenly layer goat cheese side with tomatoes, arugula, and bacon. Top each with remaining bread slice, butter side up.
Heat a large nonstick skillet over medium heat and cook, butter-side down, 5 minutes, flipping once, or until bread is golden brown.