Heat oven to 375°F. Line a baking sheet with parchment.
Stir granulated sugar, brown sugar, cinnamon, and salt together in a small bowl.
Mix softened butter with 1/2 tsp vanilla until smooth.
Roll the chilled pie dough into roughly an 11x9-inch rectangle.
Spread the butter mixture over the dough, leaving a small border. Sprinkle the cinnamon sugar evenly and press lightly.
Roll up tightly from a long side to form a log. Chill 10 minutes to firm.
Slice into 12 rounds about 1/2 inch thick. Arrange cut sides up on the sheet.
Brush tops lightly with 1 tbsp milk. Bake 15–18 minutes, until puffed and golden.
Whisk powdered sugar, 1 1/2 tbsp milk, and 1/4 tsp vanilla until smooth. Cool pastries 5 minutes, then drizzle and serve.
Notes
Variation: Add 2 tbsp finely chopped pecans over the cinnamon sugar for a nutty crunch. Storage: Keep in an airtight container at room temperature for 2 days; rewarm 3–4 minutes in a 300°F oven to refresh flakiness.This recipe is an original creation inspired by classic Cinnamon Roll Pie Crust Treats flavors. All ingredient ratios and instructions are independently developed.