– 2 tablespoons unsalted butter melted (30 grams) – 2 tablespoons packed light brown sugar (25 grams) – 1 tablespoon granulated sugar (12 grams) – 1 large egg yolk at room temperature – 1/4 teaspoon pure vanilla extract – 1/4 cup all-purpose flour spooned and leveled (32 grams) – Pinch of salt (about 1/16 of a teaspoon) – 2 tablespoons semi sweet chocolate chips plus more for sprinkling on top (30 grams)
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