1. Preheat oven to 350 degrees Fahrenheit. Line a baking sheet with parchment paper.
2. In a small bowl, combine tomato sauce and brown sugar. Spread two teaspoons over each flaky square. Sprinkle with cheese and jalapeño pepper and roll up. Slice each square into three pinwheels and place face up on the prepared baking sheet. Bake for 20 minutes or until golden.