Once you've added 2 cups, start mixing in the flour 1/4 cup at a time. (ohladycakes.com)
If your puppy doesn't eat within 24 hours, offer canned food (plain chicken or beef), then start mixing with dry over the next several days. (animalhumanesociety.org)
Start your mixer on low until the powdered sugar is just combined, otherwise you'll be wearing it. (cakemerchant.com)