1. Preheat oven to 400°.
2. Combine first 4 ingredients in a small bowl. Unroll dough onto a baking sheet coated with cooking spray; form into a 12 x 9–inch rectangle. Lightly coat top of dough with cooking spray; sprinkle evenly with garlic mixture.
3. Bake at 400° for 15 minutes or until golden. Cool flatbread; cut into 6 slices.