Preheat the oven to 350 degrees F (175 degrees C). Grease a casserole dish.
Lay out a half strip of bacon. Place a small bunch of green beans (6 or 7) onto the strip of bacon and roll up into a bundle. Place the bundle into the casserole dish, seam side down. Repeat with remaining bacon strips and green beans. Sprinkle with brown sugar, salt, and pepper.
Bake in the preheated oven until browned and heated through, about 20 minutes.