1- Creating French butter cookies starts with simple steps that lead to impressive results. Begin by preparing your ingredients, ensuring everything is at room temperature for even mixing. This helps the dough come together smoothly, avoiding lumps that could affect the final texture.

2- Next, beat the butter and powdered sugar in a large bowl until they are light and smooth, which takes just a few minutes. Add the egg yolk and vanilla extract, mixing until just combined to keep the dough tender. Gradually incorporate the flour and salt to form the dough, then chill it for 15 to 20 minutes as directed.

3- Divide the chilled dough into two parts, roll each into a log, and wrap them tightly before freezing for at least 1 hour. Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper for easy cleanup. Unwrap the logs, roll their edges in turbinado sugar, slice them into 1/2-inch rounds, and place them on the sheet.

4-Detailed Baking Steps: Bake the cookies for 12 to 14 minutes until they look pale but set; they will firm up as they cool on the sheet for about 5 minutes before transferring. Remember, the total active prep time is around 15 minutes, with inactive time for chilling and freezing at 1 hour and 15 minutes. This process ensures your cookies have that perfect soft and crispy texture everyone loves.