01 -
Preheat the oven to 400 degrees F (200 degrees C).
02 -
Combine flour and sugar together in a large bowl.
03 -
Add strawberries and chopped rhubarb. Toss them with the sugar and flour mixture, and let stand for 30 minutes.
04 -
Pour the filling into the prepared pie crust. Dot the top with butter, add the top crust, and seal the edges with water.
05 -
Brush the top of the crust with egg yolk using a pastry brush. Sprinkle with sugar.
06 -
Cut small slits in the top crust to allow steam to escape.
07 -
Bake the pie in the preheated oven until the filling is bubbly and the crust is golden brown, about 35 to 40 minutes. Cool on a wire rack before serving.