Cut butter into flour and salt.

Press dough into 9-inch pie plate.

Slice peaches into a bowl; sprinkle with ¼ c. sugar.

Let stand while preparing rest of filling.

Combine ¾ c. sugar, flour, egg, salt and vanilla.

Fold in sour cream.

Stir into peaches.

Pour into crust.

Set oven to 400 degrees and bake pie for 15 minutes.

After the pie has baked for 15 minutes at 400 degrees, reset your oven for 350 degrees and bake it for another 20 minutes.

Now prepare the topping.

Combine the sugar, cinnamon, flour and butter until crumbly.

After your 20-minute baking period at 350 degrees is over, sprinkle the crumbly topping evenly over the top of the pie.

Then bake for another 10 minutes at 400 degrees.