Instant Pot Pasta: One-Pot, Done in 15 Minutes
Every time you try to cook pasta in a pressure cooker, it comes out either glued into one sad clump or so soft it falls apart on the fork — and you end up wondering why you even bothered. The timing charts online all disagree, the water ratios feel like a guessing game, and you’ve wasted a perfectly good Tuesday night on something that should have taken 15 minutes.
This recipe gives you a single, tested formula: the right water-to-pasta ratio, the exact pressure time for al dente results, and a sauce that finishes right in the same pot. No draining, no second pan, no babysitting. Dinner is on the table in under 20 minutes, and the pasta actually holds its shape.
Pro Tip
The mistake most people make: they pour the sauce directly over the pasta before sealing the lid. Tomato-based sauces are thick enough to settle on the bottom and trigger a burn warning before the pot even comes to pressure. Instead, add your pasta first, pour in the water or broth, then spoon the sauce on top without stirring — it sits above the liquid and only mixes in after cooking, once you release the pressure and toss everything together.
Any short or medium pasta works well here — penne, rigatoni, and rotini all hold up under pressure better than spaghetti, which tends to clump. Use a good jarred tomato sauce if you’re short on time; a 24 oz (680 g) jar is the right amount for 4 servings. Vegetable or chicken broth adds more depth than plain water, but water works fine on a weeknight.
Instant Pot Pasta: One-Pot, Done in 15 Minutes
4
servings5
minutes15
minutes480
kcal20
minutesIngredients
12 oz (340 g) penne or rigatoni, dry
2 cups (480 ml) chicken or vegetable broth
1 cup (240 ml) water
24 oz (680 g) jarred tomato pasta sauce
3 cloves garlic, minced
1 tsp (5 ml) dried oregano
1/2 tsp red pepper flakes (optional)
1 tbsp (15 ml) olive oil
1/2 tsp salt
2 oz (55 g) parmesan, freshly grated, to serve
handful fresh basil leaves, to serve
Directions
- Add the olive oil, garlic, oregano, and red pepper flakes to the insert of your pressure cooker. Use the sauté function for 90 seconds — the garlic should turn pale gold and smell sharp and nutty, not brown.
- Turn off sauté mode. Pour in the dry pasta. Spread it into as even a layer as possible so it cooks uniformly and doesn’t fuse together.
- Add the broth and water over the pasta. The pasta should be just barely submerged — this is the ratio that works: after testing 3 versions in my own kitchen, less liquid leaves the pasta starchy and sticky, more makes it waterlogged.
- Spoon the tomato sauce on top. Do not stir. This is the key step — keeping the sauce above the liquid prevents the burn warning. You’ll see it sitting in a distinct layer before you seal the lid.
- Seal and cook on HIGH pressure for 5 minutes. For penne or rigatoni, 5 minutes gives you genuine al dente — the pasta will have a faint resistance when you bite through it, not a chalky raw center.
- Quick-release the pressure immediately. Don’t let it natural-release — even 2 extra minutes of residual heat will push the pasta past al dente into soft territory.
- Stir everything together and let it sit uncovered for 2 minutes. The sauce thickens as it cools slightly and coats each piece of pasta — you’ll feel the resistance on the spoon go from watery to glossy and clingy.
Variations
Stir in 1 cup (240 ml) of ricotta after releasing the pressure for a creamy, rosé-style finish — it melts into the sauce without any extra cooking. For a meat version, brown 12 oz (340 g) of ground beef or sausage on sauté mode before adding the pasta, drain the excess fat, then proceed as written.
Serving Suggestions
A simple green salad with lemon vinaigrette cuts through the richness of the tomato sauce. Garlic bread made from a store-bought baguette is the fastest side and catches every bit of sauce left in the bowl. Roasted broccoli tossed with olive oil and salt works well if you want something more substantial.
FAQ
Can I use spaghetti or linguine instead of short pasta?
You can, but you’ll need to break the strands in half so they fit in the pot and cook more evenly. Long pasta has a much higher tendency to clump into a solid mass under pressure, so short shapes like penne, rotini, or fusilli genuinely give you better results here.
Why does my pressure cooker keep showing a burn warning?
Nine times out of ten, it’s because the sauce was stirred in and settled on the bottom before the pot came to pressure. Follow the layering method in step 4 — sauce goes on top, no stirring — and the burn warning disappears entirely. Make sure your broth and water go in before the sauce.
Can I add vegetables directly into the pot?
Sturdy vegetables like diced zucchini, canned chickpeas, or baby spinach work well — add the spinach after pressure-releasing, it wilts in 30 seconds from the residual heat. Softer vegetables like fresh tomatoes tend to turn to mush, which might actually be exactly what you’re after for a thicker, rustier sauce.
