Creamy One-Pot Beef and Shells

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This creamy beef and shells is one of those one-pot dinners that feels almost too easy for how comforting it is. Everything happens in a Dutch oven: brown the beef, scatter in dry pasta shells, then pour one creamy, tomato-cheesy liquid over the top and let it all simmer together.
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The sauce is a simple mix of beef broth, heavy cream, tomato paste, Italian seasoning, and sharp cheddar—like a cozy mash-up of hamburger helper and skillet lasagna. I started making it on nights when I’d get home late but still wanted something homemade that would keep us full, and it quickly became a weeknight staple.
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Serve straight from the Dutch oven with a crisp green salad and garlic bread or dinner rolls to scoop up the extra sauce. A squeeze of lemon or a sprinkle of parsley brightens the richness. Pair with iced tea, sparkling water, or a crisp white wine for balance.
Creamy Beef and Shells 🍲🧄🧀
Ingredients
| Ingredient | Amount | Notes |
|---|---|---|
| Olive oil | 1 tbsp | For sautéing |
| Yellow onion, finely diced | 1 medium | Base flavor |
| Garlic, minced | 2 cloves | Aromatic |
| Ground beef (80–90% lean) | 1½ lbs | Main protein |
| Kosher salt | 1 tsp | Plus more to taste |
| Black pepper | ½ tsp | Seasoning |
| Pasta shells, uncooked | 12 oz | Medium size |
| Beef broth | 2 cups | Low sodium preferred |
| Heavy cream | 1½ cups | Richness |
| Tomato paste | 3 tbsp | Depth |
| Italian seasoning | 2 tsp | Flavor |
| Sharp cheddar cheese, shredded | 1½ cups | Divided |
| Red pepper flakes (optional) | ¼ tsp | Heat |
| Parmesan cheese (optional) | 2 tbsp | For serving |
| Fresh parsley, chopped (optional) | 2 tbsp | Garnish |
Directions
- Sauté aromatics: Heat olive oil in Dutch oven over medium. Add onion, cook 3–4 min until softened. Stir in garlic, cook 30 sec.
- Brown beef: Add ground beef, salt, and pepper. Cook 5–7 min until browned. Spoon off excess grease if needed.
- Add pasta: Spread uncooked shells over beef in an even layer.
- Make sauce: In bowl, whisk broth, cream, tomato paste, and Italian seasoning until smooth. Stir in 1 cup cheddar and red pepper flakes if using.
- Combine: Pour sauce evenly over pasta and beef. Press shells gently into liquid.
- Simmer: Bring to gentle simmer, reduce to low, cover, and cook 15–18 min, stirring once or twice, until pasta is tender and sauce thickened.
- Adjust consistency: If too thick, add splash of broth; if too thin, simmer uncovered 2–3 min.
- Finish: Stir in remaining ½ cup cheddar until melted. Taste and adjust seasoning.
- Rest & serve: Let sit 3–5 min with lid ajar. Sprinkle Parmesan and parsley if desired. Serve hot.




