Steps
1. Cook pasta according to package instructions.
2. In a saucepan, melt butter over medium heat.
3. Add flour and cook for 1-2 minutes until fragrant.
4. Gradually whisk in milk until smooth and thickened.
5. Stir in grated cheese until melted.
6. Season with salt and pepper.
7. Toss cooked pasta in the creamy sauce.
8. Serve hot, garnished with fresh parsley.