Mom's Flaky Pie Crust

• 3 cups all purpose flour
• 1 tsp salt
• 1 tsp vinegar
• 1 1/2 cup shortening
• 5 tbl water
• 1 egg

Mix flour, salt and shortening. Beat egg, water and vinegar. Blend together. Let stand 10 minutes before rolling out. Makes 1 pie crust.