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Creamy Beef and Shells

Quick and comforting one-skillet pasta with tender shells, savory ground beef, and a rich tomato-cheese sauce. Ready in just 25 minutes for the perfect weeknight dinner.
Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Course Dinner, Main Course
Cuisine American, Italian
Servings 4 servings
Calories 482 kcal

Equipment

  • Large pot
  • Large skillet or cast iron skillet
  • Wooden spoon
  • Whisk
  • Colander

Ingredients
  

Pasta

  • 8 ounces medium pasta shells
  • kosher salt for pasta water

Beef and Sauce

  • 1 tablespoon olive oil
  • 1 pound ground beef 80/20 blend
  • 1/2 medium sweet onion diced
  • 2 cloves garlic minced
  • 1 1/2 teaspoons Italian seasoning
  • 2 tablespoons all-purpose flour
  • 2 cups beef stock low-sodium
  • 15 ounces tomato sauce 1 can, plain unseasoned
  • 3/4 cup heavy cream
  • kosher salt to taste
  • black pepper to taste, freshly ground
  • 6 ounces extra-sharp cheddar cheese shredded (1 1/2 cups)

Instructions
 

  • Fill a large pot with water and add a generous pinch of salt (it should taste like seawater). Bring to a rolling boil. Add pasta shells and cook for 8-9 minutes, or according to package directions, until al dente. Reserve 1 cup of pasta water before draining. Drain and set aside.
  • While pasta cooks, heat a large skillet over medium-high heat. Add olive oil. When it shimmers, crumble in the ground beef. Let it sit undisturbed for 2 minutes to develop a brown crust, then break it up with a spoon. Cook for 3-5 minutes total until no pink remains. Drain most of the fat, leaving just enough to coat the bottom. Transfer beef to a plate and set aside.
  • Return the same skillet to medium heat. Add diced onion and cook, stirring frequently, for 2-3 minutes until soft and translucent. Add garlic and Italian seasoning. Stir for about 1 minute until fragrant. Do not let the garlic burn.
  • Sprinkle flour over the onion mixture and whisk quickly to coat everything evenly. Cook for 1 minute, stirring constantly, until the flour turns slightly golden and loses its raw smell.
  • Slowly pour in the beef stock while whisking constantly. The mixture will look lumpy at first but will smooth out. Add the tomato sauce and whisk together. Bring to a gentle boil, then reduce heat to a simmer. Let bubble for 6-8 minutes, stirring occasionally, until the sauce thickens and coats the back of a spoon.
  • Add the drained pasta to the skillet and toss gently to coat. Add the cooked beef back in and fold everything together.
  • Pour in the heavy cream slowly while stirring. Let heat through for 1-2 minutes, stirring gently. Taste and season with salt and pepper as needed (remember the beef stock and cheese add saltiness).
  • Remove the skillet from heat. Sprinkle the shredded cheddar over the top and stir continuously for about 2 minutes as the residual heat melts the cheese into a smooth sauce. If the sauce is too thick, add splashes of reserved pasta water to adjust consistency.
  • Serve immediately. Garnish with fresh parsley if desired and extra cheese on top.

Notes

Beef Quality: Use 80/20 ground beef for best flavor. Lean beef will make the dish taste dry.
Cheese: Shred your own cheese from a block for smooth melting. Pre-shredded cheese contains anti-caking agents that prevent proper melting.
Cream Temperature: Reduce heat when adding cream to prevent separation. High heat causes the sauce to break.
Storage: Store leftovers in an airtight container in the refrigerator for 3-4 days. Flavors deepen overnight.
Reheating: Reheat on stovetop over medium-low heat with a splash of milk or cream, stirring gently. For microwave, use 50% power in 90-second intervals, stirring between each.
Freezing: Cool completely, portion into freezer-safe containers, and freeze for up to 3 months. Thaw overnight in refrigerator before reheating.
Variations: Try ground turkey, chicken, or Italian sausage. Add baby spinach, diced bell peppers, or mushrooms. Swap cheddar for mozzarella, pepper jack, or gouda.
Keyword comfort food, Easy, One-Pot, Quick, Weeknight Dinner