This one-pot meal combines ground beef and shell pasta in a rich tomato cream sauce. It is a fast, family-friendly dinner that comes together entirely in a pressure cooker in about 30 minutes.

List of ingredients

1 tablespoon olive oil – used for sautéing the onions.
1 small yellow onion, chopped – adds a base layer of savory flavor.
1 pound lean ground beef – provides the main protein.
1 teaspoon sea salt – enhances all other flavors.
1/2 teaspoon ground black pepper – adds a mild spicy note.
1 tablespoon italian seasoning – a blend of herbs for depth.
1 teaspoon garlic powder – adds a concentrated garlic taste.
1 1-pound box medium shell pasta – captures the sauce inside the shells.
1 24-ounce jar marinara sauce – the base for the tomato cream sauce.
3 cups water – necessary for cooking the pasta under pressure.
1 1/2 cups heavy cream – creates the creamy consistency.
1 cup shredded Parmesan cheese – adds saltiness and thickness.

step-by-step instructions

Sauté Aromatics: Set the Instant Pot to the sauté setting and wait for the display to show HOT. Add the olive oil and chopped onions, cooking them until they become slightly soft.
Brown the Beef: Add the ground beef to the pot. Break it up with a spatula and cook until no longer pink, stirring frequently to prevent sticking.
Season the Meat: Stir in the sea salt, black pepper, Italian seasoning, and garlic powder. Hit the CANCEL button to stop the sauté function.
Layer Ingredients: Pour the uncooked shell pasta over the browned beef. Pour the marinara sauce and water over the top. Do not stir; instead, press the pasta down lightly with a spoon to ensure it is fully covered by liquid.
Pressure Cook: Secure the lid and set the vent to the SEALING position. Select PRESSURE COOK for 5 minutes, or half the time suggested on your pasta box.
Release Pressure: Once the timer ends, perform a quick release of the pressure. Remove the lid and hit CANCEL to turn off the unit.
Final Mix: Stir in the heavy cream and shredded Parmesan cheese until well combined. Serve immediately.

Optimizing Your Pressure Cooker Results

Preventing the Burn Notice

Avoid stirring the marinara sauce and water into the beef before cooking. The thicker sauce can settle at the bottom and scorch, triggering the burn sensor. Layering the ingredients ensures the pasta stays submerged without burning the base.

Adjusting Pasta Texture

A 5-minute cook time generally results in softer pasta. For a firmer, al dente texture, reduce the pressure cooking time to 4 minutes. If you prefer very soft noodles, increase the time to 6 minutes.

Managing Meat Grease

Using lean or extra-lean ground beef eliminates the need to drain fat. If you use a higher-fat beef blend, drain the excess grease after browning to prevent the final sauce from becoming oily.

Ingredient Substitutions and Alternatives

Substituting Ground Beef with Other Meats

Ground turkey or ground chicken can be used as a leaner alternative to beef. These meats have a milder flavor, so you may want to add an extra pinch of salt or garlic powder to maintain the taste profile.

Using Different Pasta Shapes

While medium shells are ideal for holding sauce, you can use rotini or penne. If using a different shape, check the box for the stove-top cook time and divide that number by two for the pressure cooker setting.

Alternatives to Heavy Cream

Full-fat coconut milk provides a similar thickness for those avoiding dairy. Alternatively, you can use half-and-half, though the sauce will be slightly less rich and may require a bit more Parmesan to thicken.

Switching Parmesan for Other Cheeses

Pecorino Romano is a great substitute for Parmesan and offers a sharper, saltier taste. You can also stir in shredded mozzarella or sharp cheddar at the end for a cheesier, stringier texture.

Flavor Variations and Add-ins

Adding Fresh Vegetables

Stir in two cups of fresh baby spinach at the very end along with the cream. The residual heat will wilt the spinach quickly without overcooking it. Finely diced carrots or celery can be sautéed with the onions for extra nutrients.

Increasing the Heat Level

Add one teaspoon of crushed red pepper flakes during the seasoning step for a spicy kick. For a different type of heat, stir in a tablespoon of chopped canned jalapeños before sealing the lid.

Enhancing the Tomato Profile

Add a tablespoon of tomato paste during the beef browning phase for a more concentrated tomato flavor. A teaspoon of sugar or honey can help balance the acidity of the marinara sauce.

Serving and Pairing Ideas

Best Side Dish Pairings

Serve this dish with a crisp garden salad and a light vinaigrette to balance the richness of the cream sauce. Steamed broccoli or roasted asparagus also provide a healthy, colorful contrast to the pasta.

Fresh Garnish Options

Top each bowl with freshly chopped parsley or basil for a pop of color and freshness. An extra sprinkle of grated Parmesan or a pinch of cracked black pepper enhances the presentation.

Garlic Bread Accompaniment

Toasted garlic bread is an excellent companion for soaking up the remaining creamy sauce. Brush a baguette with melted butter and minced garlic, then broil until golden brown.

Storage and Reheating Guidelines

Refrigerating Leftovers

Store leftover pasta in an airtight container in the refrigerator for up to four days. Ensure the container is completely sealed to prevent the pasta from drying out.

Freezing Instructions

This dish can be frozen for up to two months. Freeze in individual portions to make reheating easier and to avoid thawing the entire batch at once.

Proper Reheating Methods

Reheat on the stove over low heat, adding a splash of water or milk to loosen the sauce. If using a microwave, cover the dish and stir halfway through the heating process to ensure even warmth.

Make-Ahead and Meal Prep Advice

Prepping Ingredients Early

Chop the onion and measure out all seasonings and liquids before you start the Instant Pot. Having all ingredients ready prevents the sauté function from overheating the pot while you search for items.

Portioning for the Week

Divide the finished meal into five equal glass containers for a week of lunches. This prevents overeating and ensures the pasta stays fresh throughout the work week.

Troubleshooting Common Results

Fixing a Sauce That Is Too Thin

If the sauce is too watery after the quick release, let it sit for five minutes before adding the cream. The pasta will continue to absorb liquid, naturally thickening the sauce.

Solving a Sauce That Is Too Thick

If the final result is too thick or dry, stir in an extra 1/4 to 1/2 cup of water or beef broth. Do this slowly until you reach your desired consistency.

Handling Overcooked Pasta

If the pasta is too soft, avoid stirring too vigorously at the end. Gently fold in the cream and cheese to prevent the noodles from breaking apart.

Frequently Asked Questions

Can I use a different pressure cooker?

Yes, this recipe works in 6-quart and 8-quart Instant Pots or similar electric pressure cookers. The cooking times and ingredient quantities remain the same regardless of the pot size.

Should I brown the beef first?

Browning the beef is essential for developing a deep, savory flavor through the Maillard reaction. Skipping this step will result in a grey color and a blander taste.

Can I use low-fat cream?

You can use low-fat cream or evaporated milk, but the sauce will be thinner. You may need to add more Parmesan cheese to achieve the same creamy thickness.

Do I need to drain the beef?

If you use lean ground beef, draining is not necessary. If you use 80/20 beef, you should drain the grease after browning to avoid an oily sauce.