Preheat large skillet on medium heat
Once skillet is hot, add ground beef and break apart thoroughly. Cook ground beef until browned (approx. 5-10 minutes)***
Once browned, turn off heat and remove ground beef from heat and drain in colander
Place skillet back on stovetop burner and add ground beef back to skillet with heat turned off
Add beef broth, tomato sauce, pasta shells and seasoning to skillet and stir until well-blended with ground beef.
Turn on burner to high heat and warm skillet until boiling briskly.
Once boiling briskly, stir ingredients in skillet to ensure there's no sticking or clumping and reduce heat to low.
Cover skillet and allow hamburger helper to simmer on low heat for 10 minutes, stirring occasionally.***
After 10 minutes, remove cover and add heavy whipping cream + cheeses to skillet, then stir until well-blended with other ingredients
Place cover back on skillet and continue to simmer for an additional 2-3 minutes.***
Stir hamburger helper to ensure no clumping or stick then remove from heat and allow to cool for 5 minutes before serving.