In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.
Q: Preheat the oven to 350 degrees., Have an 8 or 9-inch pie plate at hand., Place the unbaked pie shell in the plate., Sprinkle the bottom of the pie shell evenly with chocolate chips., Whisk together the eggs, 1 cup of sugar and flour in a mixing bowl., Gradually mix in the butter, then add the nuts and vanilla extract., Carefully pour mixture over the chocolate chips, in a circular motion so it does not disturb the chips., Bake for 1 hour, until the filling is set., Serve slightly warm, with whipped cream, if desired.
A:
unbaked pie shell, chocolate chips, eggs, sugar, flour, unsalted butter, walnuts, vanilla extract, cream