Fennel seeds are like the unsung heroes of the Italian sausage world. They add this anise-like flavor that's just incredible. And the best part? You can use them in so many other dishes too, like pasta sauces and roasted vegetables.
Now, I know what you're thinking: "What about other spices?" Well, my friend, Italian sausage can also include coriander, cumin, and even red pepper flakes for a little kick. It's all about experimentation and finding the perfect blend for your taste buds.