Chess Pie - cooking recipe

Ingredients

1 (9-inch) pie shell, unbaked
1/2 c. butter, melted
1 1/2 c. sugar
3 eggs
1 tsp. vanilla
pinch of salt
3/4 Tbsp. vinegar

Preparation

Prepare unbaked pie shell.
Mix butter and sugar and simmer slowly, stirring for 5 minutes.
Remove from heat and let cool slightly, stirring constantly.
Add eggs, one at a time, beating well.
Add vanilla, salt and vinegar; mix well.
Pour into pie shell and bake at 400\u00b0 for 15 minutes; reduce heat to 350\u00b0 and bake for 20 to 30 minutes.
Shake pie gently.
It is done when center gives slightly.