1. 1. Boil the bow-tie pasta according to package instructions. Drain and set aside.

2. 2. Peel and dice the sweet potatoes into small cubes. Boil or steam until tender, then set aside.

3. 3. In a saucepan, heat the pasta sauce over medium heat.

4. 4. Add the cooked sweet potatoes to the sauce and mix well.

5. 5. Add the cooked bow-tie pasta to the sauce mixture and stir until everything is well combined.

6. 6. Serve the pasta in bowls and sprinkle freshly grated parmesan cheese on top.

7. 7. Enjoy your Sweet Potato Bow-Tie Pasta!