1. Evaporated milk can be used instead of heavy cream
2. Veggies like peas, carrots, zucchini etc. can be added
3. Basil (fresh/dried), pepper powder, crushed red pepper can used instead of Italian seasoning mix
4. Mac and Cheese thickens over time. Little milk/heavy cream can be added if eaten over certain time
5. Adjust the sauce according the consistency you prefer
6. Pepper powder can be used instead of crushed pepper