Preheat your oven to 400°F / 200°C. Lightly grease a baking sheet.
On a lightly floured surface, roll out the thawed pastry crust.
Using a sharp knife or pizza cutter, divide the pastry into 16 to 20 pieces, each about 2 inches square. You may need to patch rounded end scraps together to form some squares.
Lightly flour your hands. Press one square of pastry firmly around each olive, ensuring it's completely enclosed. Mold the pastry with your hands to create smooth, olive-shaped ovals.
Place the wrapped olives on the prepared baking sheet. For best results, refrigerate for about 10 minutes to firm up the pastry.
Bake for about 15 minutes, or until the pastry is a beautiful golden brown.
Serve warm or at room temperature.