Peel core and thinly slice a Granny Smith apple. Saute apples with 1 Tbsp butter.
Add 8 slices of fully cooked and cut-up bacon. Cook for 1 minute.
Spread 4-fajita size tortillas in a non-stick baking sheet.
Divide apples among the tortillas; top apples with 6 oz of sliced Brie cheese and 4 more tortillas. Bake at 425 degrees for 10 minutes, flipping halfway through cooking. (This is tricky, so use a couple of spatulas to do this.) Remove from oven and cut into wedges and serve.