Makes 12 large brownies.
Preheat your oven to 350°.
For the Cookie Base:
Put flour, sugar, salt and butter into a medium bowl and mash the mixture until it’s crumbly. Whisk the egg with the vanilla and stir in along with the chocolate chips. Continue stirring until a dough comes together. Press it into a lightly oiled parchment-lined, 8” by 8” baking dish.
For an extra crispy cookie-like base, pre-bake the cookie dough for 15 minutes, If you prefer a softer base layer don’t pre-bake. Either way will support the brownie layer.
For the Brownie Layer:
Whisk the flour, sugar, cocoa and salt together. Meanwhile melt the butter over low heat. Turn off heat and add the chocolate. Stir gently with a whisk as the chocolate melts then whisk the mixture smooth. In a second bowl whisk the eggs with the vanilla. Scrape and discard the whisk. Add the wet ingredients to the dry ingredients. Add the chocolate chips and mix well with a wooden spoon or the like.
Pour the batter over the baked or un-baked chocolate chip cookie base and bake for 45 minutes, until a toothpick comes out clean when inserted into the centre of the brownie.
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