1 stick of butter
6 tbsp cocoa
1/4 C evaporated milk
2 eggs - beaten
1 1/4 C sugar
dash of salt
1 tsp vanilla

Melt butter and mix with cocoa. Stir in remaining ingredients until well blended. Pour into unbaked pie shell. Bake at 350 degrees for 35 min.

I have used the frozen, pre-made pie crusts. They work really well. You don't even have to thaw it first.