Adapted from a Bakerella recipe
Mix cookie crumbs and sugar together. Add butter, and stir till combined. Press into an 9 x 13 inch baking pan.
Preheat oven to 325º.
sugar, cream cheese and flour with electric mixer on medium till light
and fluffy. On medium low, add eggs and mix till combined. Add sour
cream and vanilla and mix till just combined. Pour on prepared crust
and bake for about 45 minutes. Cool.
Heat cream and butter on stove, but do not allow to boil. Remove from stove and pour over chocolate. Stir till completely combined. Add powdered sugar and whisk until combined and smooth. Pour over cooled cheesecake. Refrigerate overnight, then cut into bars to serve.You can make half a batch in an 8 x 8 inch pan. The only tricky part is splitting an egg for the 1 1/2 eggs: I use a fork to beat the first egg in a measuring cup, then discard approximately half.