Dive into the universe of flavor with Cosmic Brownie Cookies.
In a mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract.
In a separate bowl, whisk together the flour, cocoa powder, baking soda, and salt.
Gradually add the dry ingredients to the wet ingredients and mix until just combined.
Gently fold in the cosmic sprinkles, creating a burst of color throughout the cookie dough.
Cover the dough and chill it in the refrigerator for at least 1 hour. This helps the flavors meld and the cookies hold their shape.