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Dinner · Part 2 of 3: Instructions

Steak Bites and Cheesy Shells Platter Step-by-step instructions

A platter filled with juicy seared steak bites and creamy shell pasta topped with melted cheese.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting the meal, ensure all ingredients are measured and ready to go, as the cooking process moves quickly once the heat is applied. Cut the steak into uniform 1-inch cubes to ensure even cooking across every piece.

Grate the cheese ahead of time and place it in a bowl near the stove. Have your tongs, spatula, and a clean plate for resting the meat positioned within reach. Clearing your workspace will help you maintain control and focus throughout the searing and assembly phases.

Ingredients at a glance (3)
  • 1 lb sirloin steak, cut into 1-inch bite-sized pieces
  • 8 oz shell pasta, dry
  • 2 cups shredded cheddar cheese

Instructions

Pasta Preparation

  1. Prepare the pasta
    Bring a large pot of water to a boil. Add the shell pasta and cook until tender. Drain the pasta using a colander and set aside while preparing the steak.
    Look for The pasta should be tender but still firm to the bite.
    Tip Save a small amount of pasta water in case you need to thin the cheese sauce later.

The shell pasta should be cooked until tender. Once drained, it should look plump and hold its shape well, ready to absorb the rich cheese sauce. Make sure the pasta is not overcooked, as it will continue to soften slightly when tossed with the hot sauce and steak bites later in the process.

Searing the Steak

  1. Sear the steak bites
    Heat a large skillet over medium-high heat. Add the steak pieces in a single layer and sear until deeply browned on all sides, reaching an internal temperature of 145°F (63°C). Remove the steak from the pan and let it rest on a plate for at least 3 minutes.
    Look for The steak should have a dark, caramelized crust on the exterior.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Avoid overcrowding the pan to ensure the steak sears properly rather than steaming.

The steak bites should be deeply browned and crusty on the outside while remaining tender inside. When you pierce a piece with a fork, it should offer little resistance. The pan should have a collection of flavorful, browned bits at the bottom, which will eventually be incorporated into the cheese sauce to add another layer of savory depth to the final dish.

Sauce and Assembly

  1. Assemble the platter
    In the same skillet, add the cooked pasta and the shredded cheese. Stir over low heat until the cheese is melted and glossy. Fold in the seared steak bites, tossing everything until well coated and heated through.
    Look for The cheese sauce should be thick, glossy, and coat the pasta and steak.
    Tip Add the cheese off the heat or at a very low setting to prevent the sauce from breaking or becoming grainy.

The final dish should feature a glossy, thick cheese sauce that evenly coats every shell and steak piece. There should be no signs of oil separation or clumping in the sauce.

The steak bites should be distributed throughout the platter, and the aroma should be rich, savory, and distinctly cheesy. Check that the pasta is hot throughout before moving the platter to the table for serving.

Common mistakes

A common mistake is overcrowding the skillet, which lowers the pan temperature and causes the steak to steam instead of sear. Always work in batches if necessary to maintain high heat.

Another error is adding the cheese while the sauce is at a rolling boil, which can cause the emulsion to break and result in a greasy, separated sauce. Maintain a gentle heat and fold the cheese in slowly to ensure a perfectly smooth, velvety texture that coats the pasta properly.

How to tell it’s done

The steak bites are perfectly done when they reach an internal temperature of 145°F (63°C) and have developed a dark, caramelized crust. Because the pieces are small, they cook very rapidly; keep a close eye on the pan to avoid overcooking.

Once removed from the heat, the steak should rest for at least 3 minutes to allow the juices to redistribute, ensuring each bite remains tender, juicy, and flavorful when tossed with the hot, creamy pasta and cheese sauce.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can the steak be substituted with another protein?
  • Why does the cheese sauce become grainy?
  • Is it possible to make this dish gluten-free?

Also in Part 3: variations (Garlic Herb Steak Bites, Smoky Paprika Shells), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)