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Preheat oven to 375 degrees
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In a small bowl, combine flour, baking powder, baking soda, salt and set aside
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In a large bowl, beat butter, brown sugar, sugar and powdered sugar with a hand mixer (for about 4 minutes)
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Add egg, egg yolks, vanilla and beat for another 4 minutes
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Slowly add the dry ingredients until all the flour mixture is incorporated into the dough
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Fold in chocolate chips
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Using a spoon, scoop out a tablespoon of dough and place on lined baking sheet
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Add a pinch of salt to the top of each cookie
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Bake for 10-12 minutes or until the edges of the cookie are brown
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Transfer to wire racks and let cool completely