Step 1

Preheat oven to 425 degrees F.

Step 2

Wash rhubarb stalks. Cut into approximately 3/4 inch chunks. Or start with frozen rhubarb.

Step 3

Add flour and sugar to rhubarb and mix.

Step 4

In a separate bowl, add egg and vanilla and whisk with a fork.

Step 5

Combine the 2 mixtures.

Step 6

Line a pie pan with a prepared pie crust. Add rhubarb filling.

Step 7

Arrange a top pie crust over the top. Seal the crust by pinching or rolling as desired.

Step 8

Cook for 15 minutes at 425 degrees F. Reduce oven to 350 degrees F. Cook for an additional 45 minutes.

Step 9

Let the pie rest for about an hour before cutting.