World's Best Pie Crust

2 cups flour
1 stick margerine
1/2 stick butter
1/2 teaspoon salt

Mix ingredients together until crumbly.
blend in juice of 1/2 lemon, 2 egg yolks,
and 5 tablespoons of ice water. Roll out.
Bake at 425 degrees for 15 minutes or
35o degrees for 30 minutes.