First things first. Preheat your oven to 350°F (175°C). A consistent temperature ensures even baking. While the oven heats, you can gather the bowls and tools you’ll need.

In a bowl, combine the flour, baking soda, sea salt, cinnamon, ginger, nutmeg, and ground flaxseed. Whisk these together until thoroughly mixed. This step is important. It ensures that the rising agent distributes evenly and enhances flavors.

In another bowl, cream the softened butter with the brown sugar and granulated sugar. Use a mixer on medium speed for about 2-3 minutes. You want the mixture to be light and fluffy. The sugars and butter create the base of your cookie, so this step sets the tone for everything else.

Add the eggs, one at a time, mixing until fully incorporated before adding the next. Stir in your vanilla extract. This is where the magic begins. The eggs add moisture and bind everything together while the vanilla adds a fragrant scent that elicits memories.

Once they've just begun to brown, remove the cookies from the oven. Don’t panic if they look slightly undercooked; they’ll set as they cool.  Let them sit for about 5 minutes on the baking sheet before transferring them to a wire rack. The smell will put you in a good mood.