Align crackers on a wire rack set into a lined baking sheet. (Leave a little space in between the crackers for the bacon, as it will hang over the edges of the crackers.)
Slice the bacon into thirds or fourths (depending on the length and shape of your crackers). Place a piece of cut bacon lengthwise on each cracker.
Sprinkle a generous amount of brown sugar on top of the bacon-topped crackers (about 1 heaping teaspoon per cracker). Then lightly sprinkle with cayenne and black pepper.
Bake 15-20 minutes or until brown sugar begins to melt and bacon becomes crisp. Allow crackers to cool on wire rack before eating.