Preheat stove to 400°F.
Location pie crust on a flat pan and put the 1 1/2 mugs water right into the pie crust.
In a little dish, blend with each other the flour, sugar, and salt. Sprinkle uniformly over water in the pie crust, however do not mix.
Drizzle vanilla over the pie, after that uniformly location rubs of butter over the top.
Cook for thirty minutes. Minimize warm to 375°F and proceed cooking for 30 even more mins. Cover crust with aluminum foil if browning also promptly.
Pie will certainly be watery however will certainly establish as it cools down. Permit to cool down to space temperature level, after that location in refrigerator to cool prior to cutting. Take pleasure in!
