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2 ¼ cups all-purpose flour. Gluten. 1 teaspoon baking soda. Sodium bicarbonate (NaHCO3) (base) ½ teaspoon salt. NaCl. 2 cups semi-sweet chocolate chips. Yummy. Directions. The Chemistry of Baking Cookies. Preheat oven to 375 degrees. Mix sugar, brown sugar, butter and egg in a large bowl. ................
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