Creating Creamy Beef and Shells is straightforward when you follow these steps:

1. Cook the Pasta: In a large pot, bring salted water to a boil. Add the pasta shells and cook according to package instructions until al dente. Drain and set aside.

2. Brown the Beef: In a large skillet or pot, heat the olive oil over medium heat. Add the diced onions and garlic, cooking until softened. Then, add the ground beef and cook until browned. Make sure to break up the beef as it cooks.

3. Add Seasoning: Season the browned meat with salt, pepper, and Italian seasoning. Stir well to combine all flavors.

4. Incorporate Broth: Pour in the beef broth and bring the mixture to a simmer. Let it reduce slightly for about 5 minutes.

5. Add Cream: Stir in the heavy cream, mixing well to create a rich sauce. Allow it to simmer for another 3-5 minutes.

6. Combine Pasta and Cheese: Once the sauce has thickened, mix in the cooked pasta shells. Add the shredded cheddar cheese and stir until melted and well combined.

7. Garnish: Taste the sauce and adjust the seasoning if necessary. Garnish with chopped parsley for a pop of color and freshness.

8. Serve: Remove from heat and let cool for a couple of minutes before serving. Enjoy this creamy delight with your family!