Awesome Chess Pie

Directions

1. 1
   Prepare unbaked pie shell.
2. 2
   Mix butter and sugar in saucepan and simmer slowly while stirring for 5 minutes.
3. 3
   Remove and let cool (stirring).
4. 4
   Add the eggs, one at a time, and beat well with whisk.
5. 5
   Add vanilla, salt, and vinegar- mix well.
6. 6
   Pour mix into pie shell and bake at 400 for 15 minutes.
7. 7
   Reduce to 350 for 20-30 minutes.
8. 8
   Shake pie gently- will be done when it quivers slightly in the middle.