Stack’N Trees Premium Shelf Flower. Cereal Milk is a hybrid marijuana strain from Cookies. Cereal Milk is made by crossing Y Life (Cookies x Cherry Pie) and Snowman, a sativa-dominant Cookies pheno. Cereal Milk has a loud flavor with a sweet milk and ice cream nose that will keep you dipping back into your stash. You can expect dense, quality nugs dripping with trichomes and a potent high.