Directions

1. Cut the butter into small pieces and place it in a large mixing bowl. Let the butter soften at room temperature.
2. Pit the olives if needed and chop them with a knife.
3. When the butter is soft, add the flour, baking powder, milk, and salt to the bowl. Work the dough. Add the olives and Gruyere and mix well. Form the dough into a ball, cover it with plastic wrap, and let it rest for 1 hour in the refrigerator.