Follow these steps to create your Asparagus and Goat Cheese Tart:

1. Preheat the Oven: Set your oven to 375°F (190°C).
2. Prepare the Pie Crust: Roll out the pie crust and fit it into a 9-inch tart pan. Trim any excess dough and prick the bottom with a fork to prevent bubbling.
3. Bake the Crust: Place the crust in the preheated oven and bake for about 10-15 minutes, until lightly golden. Remove and set aside to cool.
4. Sauté the Asparagus: In a skillet, heat the olive oil over medium heat. Add the asparagus and sauté for about 4-5 minutes until tender but still crisp. Season with salt and pepper.
5. Make the Filling: In a mixing bowl, whisk together the eggs and heavy cream. Add salt, pepper, thyme, and red pepper flakes if using. Mix until well combined.
6. Assemble the Tart: Spread the sautéed asparagus evenly over the baked crust. Crumble the goat cheese on top, then pour the egg mixture over everything.
7. Bake the Tart: Return the tart to the oven and bake for 30-35 minutes, or until the filling is set and lightly golden on top.
8. Cool the Tart: Once baked, remove the tart from the oven and let it cool for about 10-15 minutes before slicing.
9. Slice and Serve: Cut the tart into wedges for serving.

These clear steps will help you create a stunning Asparagus and Goat Cheese Tart that is sure to impress.