Wash berries; trim stems.
Slice strawberries and put in a large mixing bowl.
Add sugar and flour and stir to combine.
Allow strawberries to juice down for about 20-30 minutes.
Stir once or twice during this period.
Meanwhile, roll out pie crust.
Place bottom crust in a 9-inch deep-dish pie plate.
Roll out top crust.
Sliver the butter and place in small dabs into the bottom crust.
Pour strawberry filling into bottom crust.
Layer with top crust. Layer with top crust.
Flute edges and cut slits in the top crust.
Bake at 300º for 2 to 2 ½ hours, or at 350° for about 1 to 1 ½ hours or until the juices bubble up thickly through the slits in the crust.
Remove from oven and allow pie to cool completely before slicing and serving.
Refrigerate pie after about two days if you still have leftovers.