Comforting, fast, and wildly simple—this Instant Pot Spaghetti Recipe is the kind of weeknight dinner that becomes an overnight favorite. Think rich, tomato-forward sauce, savory seasoned beef, and perfectly cooked noodles, all made in one pot with just a handful of pantry staples. It’s the kind of recipe that feels like home without the fuss, and it’s easy enough to customize with extra veggies or a sprinkle of fresh herbs if you’re feeling fancy.

Why you’ll love this Instant Pot Spaghetti Recipe

Hands-off cooking: once the pot is sealed, the Instant Pot does the rest.
One-pot cleanup: no separate sauce pan and pasta pot to scrub.
Consistent results: the pressure ensures noodles cook evenly and absorb flavor.
Comfort food classic: rich tomato sauce and browned beef make a familiar, satisfying dish.

Ingredients

Use these exact amounts for reliable results:

2 pounds ground beef
1 teaspoon Stone House Seasoning
1 teaspoon dried oregano
1 (28-ounce) can crushed tomatoes
4.5 cups water
1 pound spaghetti noodles, broken into half
1/2 cup Parmesan cheese, grated

Make-ahead and storage tips

This Instant Pot Spaghetti Recipe holds up well in the fridge for 3-4 days in an airtight container. Reheat gently on the stovetop over low heat with a splash of water to loosen the sauce, or microwave in short bursts, stirring between sessions. For longer storage, freeze in a freezer-safe container for up to 3 months—thaw overnight in the refrigerator before reheating.

Equipment

6-quart (or larger) electric pressure cooker (Instant Pot or similar)
Spoon or spatula for stirring
Measuring cups and spoons
Grater for the Parmesan

Prep notes

Break the spaghetti noodles in half so they fit better into the Instant Pot and cook more evenly. Keep the crushed tomatoes and water close at hand—this recipe depends on the correct liquid ratio for the pressure cook to work properly. The Stone House Seasoning blends savory, garlic, and herb notes; if you prefer, you can substitute an equivalent all-purpose seasoning blend but keep the same amount.

Step-by-step Directions

Below is a clear, stepwise version of the original directions rewritten for clarity and flow. The ingredient amounts are unchanged and followed exactly.

Set your Instant Pot to the Sauté function and let it warm for about 2 minutes. Add the 2 pounds of ground beef to the inner pot. Break the meat up with your spatula or spoon so it cooks evenly.
Sauté the ground beef until it is thoroughly browned, stirring occasionally to break up clumps. This should take about 6–8 minutes. If there is excess fat you wish to remove, carefully spoon out a small amount, leaving enough to carry flavor for the sauce.
Once the beef is browned, sprinkle in 1 teaspoon Stone House Seasoning and 1 teaspoon dried oregano. Stir to combine and let the spices bloom with the hot meat for about 30–60 seconds. This helps release their flavor into the sauce.
Pour in the entire 28-ounce can of crushed tomatoes directly over the browned beef. Stir to mix the tomatoes with the seasoned beef until the meat is evenly coated in the tomato base.
Add 4.5 cups water to the pot. Stir again to incorporate the water with the crushed tomatoes and beef. The liquid level should be enough to cover the broken spaghetti once it is added.
Take the 1 pound of spaghetti noodles, break each strand in half, and arrange the broken pieces evenly on top of the tomato-beef liquid. Do not stir; instead, press the noodles gently so that the top layer is just submerged and the noodles are distributed across the surface. Laying the noodles in a crisscross pattern helps them cook evenly under pressure.
Place the lid on the Instant Pot and set the valve to the sealing position. Select the Manual/Pressure Cook setting and set the timer for 8 minutes on high pressure. The pot will take several minutes to come up to pressure before the countdown begins.
When the cook time ends, perform a quick release by carefully turning the valve to venting to release the steam. Use a long-handled utensil or oven mitt to avoid burns. Once the float valve drops, open the lid away from your face to prevent a steam blast.
With the lid off, use a pair of tongs or a sturdy spoon to gently stir the pasta and sauce together. The noodles should be tender and fully integrated with the tomato-beef mixture. If you find any liquid remaining, stir for a minute or two to help it incorporate and thicken slightly.
Stir in 1/2 cup grated Parmesan cheese off-heat. Mix thoroughly so the cheese melts into the hot pasta, creating a lightly creamy finish. Taste and adjust seasoning if needed—add a pinch more Stone House Seasoning or a grind of black pepper if desired.
Serve hot, garnished with additional grated Parmesan if you like. Leftovers reheat well and the flavors deepen after resting for a day.

Quick tips for perfect results

Do not stir the broken spaghetti into the sauce before pressure cooking. Lay the noodles on top and press down slightly so they make contact with the liquid, then leave them undisturbed until after pressure cooking. This prevents clumping and pasta sticking to the bottom.
Breaking the noodles in half shortens the cooking distance and helps the strands cook evenly under pressure.
If you prefer a thicker sauce, after quick releasing the pressure, remove the lid and switch to Sauté for 2–3 minutes, stirring until the sauce reaches the desired consistency.
For a lighter dish, drain a small portion of fat after browning the beef—but leave at least a tablespoon so the sauce keeps flavor.

Serving suggestions

This dish pairs beautifully with a simple green salad, crusty bread, or roasted vegetables. For a bright finish, sprinkle a handful of fresh chopped parsley or basil over the plated spaghetti. A squeeze of lemon over individual portions adds a pleasant lift to the rich tomato and beef flavors.

Flavor variations

Add a half cup of chopped onion to the pot during the sauté step for extra sweetness and depth. Sauté until translucent before adding the tomatoes.
For a spicy kick, stir in 1/2 teaspoon red pepper flakes when you add the dried oregano.
Stir in a cup of sliced mushrooms with the beef during sauté for additional umami and texture.
Swap the Parmesan for a sprinkle of shredded mozzarella before serving for a gooey, melty topping.

Why the timing works

The 8-minute pressure cook time is intentionally brief because the spaghetti is broken and submerged in a reasonably high liquid ratio. The Instant Pot’s rapid, even heat cooks the pasta through while allowing the beef-tomato mixture to develop unified flavor, so you get tender noodles and a cohesive sauce in a single step.

Common troubleshooting

Burn message on your Instant Pot: Make sure you deglaze the bottom of the pot after browning meat if there are stuck bits. Stir in the crushed tomatoes and a bit of water to loosen any browned bits before adding the remaining liquid and noodles.
Pasta too soft: Reduce the pressure cook time by 1 minute on your next attempt or break the spaghetti into shorter pieces so they reach doneness quicker without overcooking.
Sauce too thin: After pressure cooking, remove the lid and switch to Sauté for a few minutes, stirring constantly until it thickens to your preference.

Final notes

This Instant Pot Spaghetti Recipe is designed to be foolproof: straightforward ingredients, a reliable sequence of steps, and comforting results. It’s perfect for nights when you want a hearty bowl of pasta without juggling multiple pots. Keep the ingredient amounts exactly as listed for the best texture and balance of flavors, and enjoy how quickly this classic dinner comes together.

Happy cooking! Make a big batch and tuck the leftovers away—good pasta only gets better with time.

Instant Pot Spaghetti Recipe

Hearty spaghetti made quickly in the Instant Pot with a simple meat sauce.

Print Recipe Pin Recipe

Prep Time 5

Cook Time 15

Total Time 20

Servings: 8 servings

Ingredients Equipment Method Notes

Ingredients

2 pounds ground beef
1 teaspoon Stone House seasoning
1 teaspoon dried oregano
28 ounce crushed tomatoes 1 can
4.5 cups water
1 pound spaghetti noodles broken in half
1/2 cup Parmesan cheese grated

Equipment

Instant Pot
Wooden Spoon
Colander

Method

Set the Instant Pot to sauté and add the ground beef.
Cook, breaking up the meat with a wooden spoon, until browned throughout, about 5 minutes; then turn off the Instant Pot and drain excess fat.
Return the pot (if removed) and add the Stone House seasoning, dried oregano, crushed tomatoes (28-ounce can), and 4½ cups water; stir to combine.
Lay the broken spaghetti noodles on top of the meat mixture and press down so they are mostly submerged; add a little extra water if needed to cover the noodles.
Secure the lid and cook at high pressure for 8 minutes.
Carefully perform a quick release to release the pressure, then remove the lid and stir the spaghetti to combine sauce and pasta.
Serve portions topped with grated Parmesan cheese.