Step 1 of 10
Gluten-Free Chocolate Chip Cookies
Line two baking sheets with silicone baking mats or parchment paper. Set aside.
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Step 2 of 10
Gluten-Free Chocolate Chip Cookies
Place the butter, granulated sugar, and brown sugar in a medium bowl. Use a mixer to beat on medium speed until well combined, about 1 minute.
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Step 3 of 10
Gluten-Free Chocolate Chip Cookies
Add the egg and vanilla extract and continue to beat until smooth, about 30 seconds.
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Step 4 of 10
Gluten-Free Chocolate Chip Cookies
Add the gluten-free flour, cornstarch, baking soda, and salt to the bowl. Beat on low speed, scraping the sides of the bowl with a rubber spatula as needed, until a smooth dough forms.
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Step 5 of 10
Gluten-Free Chocolate Chip Cookies
Fold in the chocolate chips.
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Step 6 of 10
Gluten-Free Chocolate Chip Cookies
Preheat the oven to 350°F.
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Step 7 of 10
Gluten-Free Chocolate Chip Cookies
Divide the cookie dough into 30 balls, using roughly 1 1/2 tablespoons of dough for each, and arrange them spaced 1 1/2 inches apart on the baking sheets. Transfer the sheets to the freezer for 10-15 minutes. Alternately, freeze dough balls on a small tray or large plate and transfer to baking sheets after freezing.
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Step 8 of 10
Gluten-Free Chocolate Chip Cookies
Bake the cookies on middle rack of oven until puffy and golden brown at the edges, 15-17 minutes.
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Step 9 of 10
Gluten-Free Chocolate Chip Cookies
Check to see that cookies are done. Remove from oven or add time as needed.
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Step 10 of 10
Gluten-Free Chocolate Chip Cookies
Allow the cookies to rest on the sheets for 5-10 minutes, then transfer to a wire rack to cool completely before serving.