1In a Dutch oven over medium heat, add olive oil, one diced yellow onion, one teaspoon of red pepper flakes, one teaspoon of Italian seasoning, and a big pinch of salt.
2Add six cloves of minced garlic and cook for 30 seconds.
3Add 1.25 lbs of ground beef, a big pinch of salt, pepper, and one teaspoon of paprika. Break it up and brown it.
4Add two to three tablespoons of tomato paste and cook for a few minutes.
5Add three cups of beef broth and one cup of heavy cream. Bring to a low boil.
6Add one pound of pasta shells, lower heat to a simmer, and cook until tender (15-20 minutes).
7Add five ounces of shredded sharp cheddar cheese.