Just in time for the total solar eclipse on Monday, April 8, Insomnia Cookies is bringing back its fan favorite, limited-edition Moon Cookie Cakes. Customers can order ahead for their eclipse viewing parties, with the treat only being available for a limited time now through April 8.

The Moon Cookie Cake is a crescent-shaped cake made with two Classic cookie flavors, and includes up to eight servings.

Additionally, to celebrate the celestial event on Monday, April 8, the late-night bakery chain is treating cookie lovers to one free Classic cookie with a $5 purchase in-store or online.