Sweet, Savory Caryophyllene, Myrcene, Humulene GMO (Garlic, Mushroom, Onion) Cookies GSC and a Deep Sour Kush Don't let the name deceive you. This strain inspiration traces its lineage back to GSC and a Deep Sour Kush background. GMO (Garlic, Mushroom, Onion) Cookies has an unmistakable sweet and savoury taste. Terpenes like c make it one of the most popular indica strains out there. You can't make a soup out of it, but it sure goes nicely in a bowl.