Start by preheating your oven to 350°F (175°C). It’s crucial to have your oven hot and ready to ensure perfect cookie texture. While you’re waiting, prepare your baking sheets by lining them with parchment paper.

In a large bowl, cream together the softened butter, light brown sugar, and granulated sugar. Use an electric mixer or a sturdy wooden spoon. Aim for a light and fluffy texture—this should take about 2 to 3 minutes. The air you incorporate here is vital for the final texture.

Crack in the large egg and add the vanilla extract. Beat the mixture until fully combined. The batter should be smooth and shiny, signaling that your wet ingredients are perfectly blended.

In another bowl, whisk together the flour, baking soda, sea salt, and cinnamon. This step ensures even distribution of the leavening agent and salt. Slowly add these dry ingredients to the wet mixture, blending until just combined. Avoid over-mixing; you want to preserve the fluffiness.

Now comes the delightful part! Gently fold in the chocolate chips, chopped pretzels, chopped caramels, and nuts. Use a spatula to ensure all ingredients are evenly incorporated. Each bite should offer a different layer of flavor!

Using a cookie scoop or spoon, drop generous tablespoons of dough onto the prepared baking sheet, ensuring enough space between them. Bake for 10 to 12 minutes, or until the edges start to turn golden brown. The center may look slightly underbaked—it’ll firm up as it cools.

Once baked, take the cookies out of the oven and let them cool on the baking sheet for about 5 minutes. This allows the cookies to set before transferring them to a wire rack to cool completely. Now, grab a glass of milk and dig in!