Preheat the oven to 350ºF and line a large baking sheet with parchment paper. Prepare two pans if you want to bake all of the cookies at once, as this recipe will make 16 to 17 cookies.
In a large bowl, combine the almond butter, coconut sugar, egg, baking soda, and salt. Stir well to create a thick cookie batter.
Use a tablespoon to drop the dough onto the lined baking sheet, keeping the cookies about 2 inches apart. Use a fork to flatten each mound of dough, and sprinkle the tops with coarse sea salt, if desired.
Bake the cookies until lightly golden, about 10 to 12 minutes. For a crispier cookie, you can bake them for up to 15 minutes, but watch closely to make sure the edges don't get too dark or burn.
Allow the cookies to cool on the pan completely before serving. They are very fragile when warm, but will firm up when cool. You can store the cookies in an airtight container on the counter for a few days, but store them in the fridge or freezer for a longer shelf life. (They are extra-crunchy if you serve them frozen.)
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Notes
Nutrition information is for 1 of 16 cookies. This information is automatically calculated using generic ingredients and is just an estimate, not a guarantee.If you have baking powder on hand, you can use 1 1/2 teaspoons of baking powder to replace the baking soda in this recipe. In that case, the cookies might not spread quite as much as you see in these photos.I use Trader Joe's Raw Almond Butter often in this recipe, as it has a mild flavor and runny texture, which makes these cookies spread nicely. Homemade almond butter will have the same results, but other brands might give your cookies a slightly more roasted flavor.