Instant Pot Rigatoni with Meat Sauce (Easy, WW Friendly Dinner)

This was my first time making an Italian pasta dinner in the Instant Pot (affiliate link), and I’ll be honest—I wasn’t sure it would work. Cooking pasta directly in the sauce in a pressure cooker seemed like a recipe for mush. It’s not. The rigatoni comes out perfectly cooked, the sauce is rich and hearty, and the whole thing comes together in one pot without ever boiling a separate pot of water.

The older I get, the less patience I have for recipes that dirty every pan in the kitchen. This one sautés the onion, garlic, and meat right in the Instant Pot (affiliate link), then everything else goes in on top and pressure cooks together. My partner and I have made it on regular rotation since I first tried it—it reheats well, the leftovers are genuinely versatile, and six servings at 5 WW Points each is hard to argue with.

Adapted from Eat What You Love Everyday (affiliate link) by Marlene Koch.

Why I Love This Recipe

• One pot, start to finish — no separate pasta water, no extra pans to wash
• 40 minutes total including sauté time and pressurizing
• 325 calories and 5 WW Points per generous 1-½-cup serving
• Makes 6 servings — great for meal prep; reheats well and the leftovers have real second-life potential
• Flexible on the protein — ground turkey, beef, pork, or meatless crumbles all work

Ingredients and Substitutions

• Olive oil — I use garlic-infused olive oil when I have it; it adds a subtle layer of flavor without any extra work. Regular olive oil is fine.
• Onion — one medium onion, chopped. Frozen chopped onion (about 1 cup) works just as well and saves prep time.
• Garlic — Fresh is better here since it’s sautéed and blooms in the oil.
• Ground turkey — 12 ounces of lean ground turkey is what the recipe and Points calculation are based on. Lean ground beef or pork both work. Meatless crumbles are a good vegetarian option — I haven’t tested this personally but reader Diana confirmed it works well with plant-based substitutions.
  NOTE: Most ground meat in the U.S. comes in 16-ounce packages. If you use the full pound instead of 12 ounces, you need to add more liquid—I kept everything else the same once and the Instant Pot wouldn’t come up to pressure. Add an extra ¼-cup each of marinara and water if you go to 16 ounces.
• Fennel seed — crushed, not whole. It gives the meat sauce an Italian sausage character without using actual sausage. Don’t skip it—it’s a small amount but makes a real flavor difference.
• Marinara sauce — Use whatever jarred marinara you like; the quality of the jar matters here since it’s the backbone of the sauce.
• Rigatoni — The tube shape holds up well under pressure. Penne or ziti would also work. Don’t substitute a delicate pasta shape—it won’t hold up.
• Diced tomatoes — added on top of the pasta. Don’t stir after adding—the layering matters for proper pressurization.
• Mushrooms — Pre-sliced saves time.
• Red bell peppers — They add sweetness and color. Any color bell pepper works.
• Parmesan — freshly grated, stirred in after cooking. Pre-grated from a can works in a pinch but fresh melts much more smoothly into the sauce.

Calories and WW Points

According to my calculations, each generous 1-1/2 cup serving has about 325 calories and 5 WW Points.

To see your WW Points for this recipe, track it in the WW App!
(You must be logged into WW on a smartphone or tablet.)

How to Make Instant Pot Rigatoni and Meat Sauce, Step-by-Step

Step 1: Gather and prepare all ingredients.

Step 2: Press the sauté function on the pressure cooker and add the olive oil and onion to the inner pot. Cook until onion softens and becomes translucent, about 3 to 5 minutes, stirring as needed to prevent onion from burning.

Step 3: Add the garlic and continue cooking for 1 minute more.

Step 4: Add the ground turkey, breaking up the meat into crumbles with a wooden spoon (affiliate link) or spatula, and cook until almost cooked through, about 5 minutes.

Step 5: Turn off Instant Pot and stir in the fennel seed, black pepper, marinara sauce and 3/4 cup of water until thoroughly combined.

Step 6: Add the rigatoni,

then layer with tomatoes, mushrooms and bell peppers, making sure the pasta is completely covered. Do not stir the ingredients.

Step 7: Place the lid on the pot in the lock position and move the steam release handle to Sealing position. Press manual button and cook on HIGH pressure for 6 minutes.

Step 8: Once the cooking cycle is complete, move the steam release handle to Venting position and quickly release the steam, being careful to not get burned. (I like to cover the steam release valve with a dish towel before releasing the steam.)

Step 9: Once the pressure has been released, unlock and remove the lid. Stir the ingredients with a wooden spoon and allow to sit, uncovered, for about 2 minutes then and the grated cheese and stir.

Step 10: Divide evenly among 6 pasta bowls and serve with additional grated cheese and sliced basil or chopped parsley, if desired.

Step 11: Store any leftover pasta in an airtight container in the refrigerator.

Tips for Success

• Don’t stir after adding the pasta and vegetables. The layered setup is what allows the Instant Pot to come up to pressure properly. Stir only after the lid comes off.
• Make sure the pasta is fully submerged. Before sealing, press the rigatoni down gently with a spoon to make sure it’s covered by liquid. Exposed pasta can turn out crunchy.
• The pot will come up to pressure quickly. Since the contents are already hot from sautéing, pressurization happens faster than it would from a cold start—usually just a few minutes.
• Let it sit 2 minutes before adding cheese. This brief rest lets the sauce thicken slightly and prevents the cheese from clumping when it goes in.
• If using 16 ounces of meat, add an extra ¼-cup marinara and ¼-cup water, and recalculate points in the WW App, if that’s a concern.

Serving Suggestions

Serve topped with additional grated Parmesan and sliced fresh basil or chopped parsley. A pinch of red pepper flakes or a splash of hot sauce is good if you want a little heat. A simple green salad rounds out the meal nicely.

Storing and Reheating

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave (affiliate link) with a splash of water or marinara to loosen the sauce—the pasta absorbs liquid as it sits.

Leftovers freeze well in portion-size containers for up to 3 months. Thaw overnight in the fridge before reheating.

Creative Ways to Use Leftovers

Pasta soup — add leftovers to a saucepan with chicken or vegetable broth (affiliate link) and a little extra marinara until you reach your preferred consistency. Heat through and serve with basil, parsley, and grated Parmesan. If you want to add cooked chicken, use chicken that’s already cooked—shredded rotisserie chicken works perfectly. Raw chicken would need significantly more time and would change the soup’s character.

Stuffed peppers — cut large bell peppers in half, remove the seeds, and place in a baking dish cut-side up. Fill with leftover rigatoni and meat sauce and bake at 375°F for about 20 minutes. Add a little grated Parmesan or mozzarella in the last few minutes for a melted cheese topping.

If you’ve made this Instant Pot Pasta with Meat Sauce, please give the recipe a star rating below and leave a comment letting me know how you liked it. And stay in touch on Pinterest, Facebook, Instagram and Twitter for the latest updates.

Recipe source: Eat What You Love Everyday (affiliate link) by Marlene Koch

Frequently Asked Questions

Can I use a different pasta shape?
Yes—penne or ziti would work well. Avoid delicate pasta shapes like angel hair or thin spaghetti; they won’t hold up under pressure. Stick to sturdy tube or short shapes.

What if my Instant Pot won’t come up to pressure?
The most common cause is not enough liquid. Make sure you’ve added the full ¾-cup of water along with the marinara, and that the pasta is submerged. If you used more than 12 ounces of meat, add a bit more marinara and water as noted above.

Can I make this vegetarian?
Yes—meatless crumbles work as a direct swap for the ground turkey. Reader Diana confirmed this with plant-based substitutions. Check the WW App for updated points with your specific crumbles brand.

Can I use ground beef instead of turkey?
Absolutely—lean ground beef works well here and gives the sauce a slightly richer flavor. The points will vary depending on the fat percentage; check the WW App.

For the leftover soup — should the added chicken be cooked first?
Yes—use already-cooked chicken. Shredded rotisserie chicken is ideal. You’re just heating the soup through, not cooking raw protein, so pre-cooked chicken is the right move.

More WW Friendly Instant Pot and Pasta Recipes

• Instant Pot Italian Turkey Meatballs
• Instant Pot Couscous Puttanesca
• Instant Pot Wild Rice and Vegetable Stew
• Pasta with Sausage and Vegetables
• Light and Creamy Crock Pot Pasta Primavera
• Baked Artichoke and Spinach Pasta
• Creamy Crock Pot Bacon Ranch Chicken Pasta