How long do you bake an unbaked frozen rhubarb pie?

1. Preheat oven to 425 degrees F (220 degrees C).

2. Remove the pie from the freezer and let it sit at room temperature for 5 minutes.

3. Place the frozen pie on a baking sheet lined with parchment paper.

4. Bake in preheated oven for 15 minutes.

5. Reduce the oven temperature to 375 degrees F (190 degrees C) and continue to bake for an additional 45 to 60 minutes, or until the crust is golden brown and the filling is bubbling.

6. Let the pie cool for at least 30 minutes before serving.