Your chickens sound like they eat well. My dogs would be pretty upset if the chickens started getting the slow cooker beef/chicken broth instead of them, though...and the waffles!
My flock gets the "byproduct" of the probiotic beverages I make, including lemon slices, raisins, apple or pear slices, dried fig, berries, watermelon, ginger, banana, etc. (depending on the beverage flavors). They're not huge fans of citrus, but they (and the ducks) will eat the fermented lemon...