1. Cook the spaghetti according to package instructions until al dente.

2. In a bowl, whisk together eggs, low-fat milk, and mozzarella cheese.

3. Once the spaghetti is cooked, drain it and return it to the pot. Pour the egg mixture over the hot spaghetti and toss to coat.

4. Continue to cook on low heat, stirring constantly, until the sauce thickens and coats the spaghetti evenly.

5. Serve hot and garnish with additional mozzarella cheese if desired.