Whopper Chocolate Chip Cookies

Whopper Chocolate Chip Cookies from at http://sallysbakingaddiction.com/sallys-candy-addiction/

2 1/4 cups all purpose flour
1 tsp baking soda
1 1/2 tsp cornstarch
1/2 tsp salt
3/4 cup unsalted butter, melted and slightly cooled
3/4 cup light brown sugar, packed
1/2 cup sugar
1 large egg plus 1 egg yolk at room temp
2 tsp vanilla extract
1/2 cup milk chocolate  chips, plus 2 tbsp optional
1 cup Whoppers, each candy cut in half

-whisk flour, baking soda, cornstarch, and salt together in large bowl and set aside.
-In medium bowl, whisk the melted butter, brown sugar, and sugar together until no lumps remain. Whisk in egg, then yolk, the the vanilla. Pour the wet ingredients into the dry ingredients and mix together with wooden spoon. Fold in 1/2 cup of the Whoppers.  Cover cookie dough tightly and refrigerate for 2 hours at least.
-Remove cookie dough and let sit out for 10 minutes.
-Preheat oven to 325 and line on 2 large baking sheets with parchment paper.
-Roll the cookie dough into balls about 3 Tblsp each.
-Bake 11 to 12 minutes.  Remove and add a few extra chocolate chips on top.

For more details on this recipe, please go to Sallysbakingaddiction.com.