1-First Step: Browning the Butter Start by placing 1 cup of unsalted butter in a light-colored saucepan. A light pan allows you to see the color change clearly. Turn the heat to medium and let the butter melt completely. Once melted, it will begin to foam and sizzle. Stir occasionally with a heat-proof spatula or spoon. Watch closely as the milk solids at the bottom of the pan start to turn golden brown and the mixture gives off a nutty, hazelnut aroma. This usually takes about 5 to 7 minutes. Remove the pan from the heat immediately to prevent burning. Pour the browned butter into a heat-proof bowl to stop the cooking process. Let it cool slightly, but it should still be liquid when you mix it with the sugars.

2-Second Step: Mixing the Dough In a large mixing bowl, combine the slightly cooled brown butter with 1 cup of granulated white sugar and 1/2 cup of packed brown sugar. Using an electric mixer or a sturdy whisk, beat the mixture on medium speed for about 2 minutes. You want the sugars to dissolve slightly and the mixture to look smooth. Add the large egg and 2 teaspoons of vanilla extract. Beat again until the egg is fully incorporated and the mixture looks glossy. In a separate bowl, whisk together 2 1/2 cups of all-purpose flour, 1 teaspoon of baking soda, and 1/2 teaspoon of salt. Gradually add the dry ingredients to the wet ingredients, mixing on low speed just until combined. Be careful not to overmix, as this can make the cookies tough. The dough will be soft and slightly sticky.

3-Third Step: Shaping and Chilling Preheat your oven to 350 degrees Fahrenheit (175 degrees Celsius) and line a large baking sheet with parchment paper. Using a cookie scoop or a tablespoon, portion the dough into balls, about 1.5 tablespoons each. Roll them between your palms to make them smooth. If you want a decorative look, you can roll the tops of the dough balls in a little extra granulated sugar. Place the dough balls on the prepared baking sheet, leaving about 2 inches of space between them to allow for spreading. If you have time, chill the shaped dough balls on the baking sheet in the refrigerator for another 15 to 20 minutes. This helps control the spread, ensuring the cookies maintain a thick, chewy center.

4-Fourth Step: Baking to Perfection Place the baking sheet in the preheated oven. Bake the cookies for 10 to 12 minutes. The edges should be set and lightly golden, but the centers may still look slightly soft and underbaked. This is exactly what you want. The cookies will continue to cook on the hot baking sheet after you remove them from the oven, firming up perfectly. Keep an eye on them towards the end of the baking time, as ovens vary.

5-Final Step: Cooling and Serving Remove the baking sheet from the oven. Let the cookies cool on the sheet for at least 5 to 10 minutes. This resting period is crucial for setting the structure. Once they are firm enough to handle, use a spatula to transfer them to a wire rack to cool completely. Enjoy them warm for the ultimate gooey texture, or let them cool completely for a crispier snap. These easy brown butter sugar cookies are delicious on their own or paired with a glass of cold milk.