This one pot penne transforms weeknight cooking into something special without the cleanup. The pasta cooks directly in the sauce, absorbing rich tomato flavors with every bite.
I developed this method to streamline dinner prep, combining al dente pasta with a velvety tomato sauce in a single vessel. The key is precise liquid ratios and timing to ensure perfectly cooked penne.
What emerges is a dish where each strand carries the rich, herb-infused tomato essence, with no separate sauce to prepare. The result is consistently impressive, even on busy evenings.
Serve with grated parmesan and fresh basil for a complete meal. Here’s how to make it.
Ingredients for One Pot Penne
A few pantry staples and fresh herbs create this streamlined one-pot wonder with minimal effort.
| Ingredient | Amount | Notes |
|---|---|---|
| Penne Pasta 🍝 | 12 oz | Uncooked, al dente texture |
| Canned Crushed Tomatoes 🍅 | 28 oz | San Marzano preferred |
| Vegetable Broth 🥫 | 3 cups | Low-sodium for control |
| Yellow Onion 🧅 | 1 whole | Finely diced for sauce |
| Garlic Cloves 🧄 | 4 cloves | Minced for depth |
| Dried Oregano 🍃 | 1 tsp | Mediterranean variety preferred |
| Dried Basil 🌿 | 1 tsp | Or 1 tbsp fresh |
| Red Pepper Flakes 🌶️ | ½ tsp | Adjust for heat preference |
| Extra-Virgin Olive Oil 🫒 | 2 tbsp | For sautéing aromatics |
| Salt 🧂 | 1 tsp | Diamond Crystal kosher |
| Black Pepper 🌶️ | ½ tsp | Freshly ground for best flavor |
| Parmesan Cheese 🧀 | ½ cup | Freshly grated for serving |
| Fresh Basil Leaves 🌿 | ¼ cup | Torn for garnish |
The tomatoes are the foundation here. San Marzano canned tomatoes offer superior sweetness and low acidity—look for the DOP certification on the label. Whole Foods or Italian specialty stores typically carry them. The pasta should be standard penne (not the quick-cook variety) for optimal texture absorption. Barilla or De Cecco brands hold up well to the one-pot method without turning mushy.
No San Marzano tomatoes? Regular crushed tomatoes work fine, though the flavor may be slightly sharper. Fresh basil can substitute for dried at a 3:1 ratio. For a vegetarian version, ensure the Parmesan uses vegetarian rennet. The vegetable broth can be swapped for water in a pinch, though the depth of flavor will be reduced.
Store canned tomatoes in a cool, dark pantry for up to 18 months. Fresh basil keeps best wrapped in damp paper towels in the fridge for 5-7 days. The grated Parmesan should be stored airtight and used within 1 month for peak flavor.
Why You’ll Love This Recipe
- One Pot Wonder: I toss in penne, crushed tomatoes, and broth, then walk away—dinner practically makes itself.
- Garlic Lovers’ Dream: The onion and garlic simmer right in the sauce, so every bite’s packed with rich, deep flavor.
- Weeknight Hero: Between us, this is my Tuesday night lifesaver when I need something hearty and fast.
- Budget Stretcher: Pantry staples and one pot mean I feed four for the cost of takeout, with leftovers for lunch.
Step-by-Step Instructions for One Pot Penne
This streamlined method ensures perfect al dente pasta with a rich, flavorful sauce in one pot.
Step 1: Sauté Aromatics to Build Flavor Base
Heat the 2 tbsp extra-virgin olive oil in a large pot or Dutch oven over medium heat. Add the 1 whole yellow onion, finely diced, and cook for 5-6 minutes until translucent and just beginning to caramelize.
Stir in the 4 cloves garlic cloves, minced, and cook for 30 seconds until fragrant. Add the 1 tsp dried oregano, 1 tsp dried basil, and 0.5 tsp red pepper flakes, toasting them briefly to release their essential oils. This aromatic foundation is critical for depth of flavor.
Step 2: Combine Liquids and Pasta for Simultaneous Cooking
Pour in the 28 oz canned crushed tomatoes and 3 cups vegetable broth, stirring to combine with the sautéed aromatics. Bring the mixture to a gentle boil, then add the 12 oz penne pasta, ensuring it is fully submerged in the liquid.
Season with the 1 tsp salt and 0.5 tsp black pepper. Reduce the heat to medium-low and maintain a steady simmer. The pasta will cook directly in the sauce, absorbing the flavors as it softens.
Step 3: Cook Until Pasta is Al Dente and Sauce Thickens
Cook uncovered for 12-15 minutes, stirring occasionally to prevent the pasta from sticking to the bottom of the pot. The sauce will begin to thicken as the pasta releases starch, creating a velvety texture.
Taste the penne for doneness—it should be al dente, with a slight resistance when bitten. If the mixture becomes too dry before the pasta is cooked, add a splash of water or broth to loosen it. The sauce should coat the pasta evenly without being watery.
Step 4: Finish and Serve with Fresh Garnishes
Once the pasta is al dente, remove the pot from the heat. The sauce should be thick and cling to the pasta. If it seems too loose, let it sit for 1-2 minutes to allow the starches to fully set.
Divide the penne into serving bowls and top with the 0.5 cup Parmesan cheese, freshly grated, and the 0.25 cup fresh basil leaves, torn by hand. The fresh basil adds a bright, aromatic finish that complements the rich tomato sauce perfectly.
Pro Tips For Making One Pot Penne
- Boil Vigorous First: Get the broth to a rolling boil before adding penne—I learned this the hard way after too many mushy batches from lukewarm starts.
- Toast the Garlic: Cook minced garlic in the pot for 30 seconds before adding tomatoes to deepen its flavor and skip the raw bite.
- Skip the Stirring: Resist the urge to stir constantly once pasta is in; it releases too much starch and turns the dish gluey.
- Use Full-Fat Tomatoes: Sounds weird, but full-fat crushed tomatoes make the sauce cling to the penne better than watery low-fat versions.
Health Benefits of This Recipe
Rich in Lycopene
The 28 oz crushed tomatoes in this dish provide a significant dose of lycopene, a powerful antioxidant linked to reduced risk of heart disease and certain cancers. Cooking tomatoes actually increases lycopene bioavailability. 💪
Fiber Boost
With 12 oz penne pasta and tomatoes, you get a solid 8-10g of fiber per serving. Fiber supports digestive health and keeps you full longer. Whole wheat penne would double this amount.
Vitamin C Source
Tomatoes contribute 30% of daily vitamin C per serving, supporting immune function. The yellow onion adds even more. This nutrient helps your body absorb iron from the pasta.
Low in Saturated Fat
This creation uses only 2 tbsp olive oil, keeping saturated fat minimal. The extra-virgin olive oil provides heart-healthy monounsaturated fats instead. A lighter option for regular meals.
I often use San Marzano tomatoes for their natural sweetness.
Protein Content
Penne provides about 8g protein per serving. Adding 0.5 cup Parmesan boosts this to 15g. For more protein, stir in cooked chicken or white beans before serving. 🥗
Nutrition Facts
Frequently Asked Questions
Can I use a different pasta shape?
Yes, but choose short shapes like fusilli or farfalle. Long pasta like spaghetti won’t cook evenly in this method. Adjust liquid slightly if needed, as different shapes absorb moisture differently.
How do I prevent the pasta from sticking?
Stir frequently during the first 5 minutes of cooking. Use a heavy-bottomed pot and maintain a steady simmer. If it sticks, add 1/4 cup hot water and scrape the bottom.
Can I add meat to this dish?
Brown 1/2 lb ground beef or Italian sausage before adding onions. For chicken, use 1 cup cooked, shredded pieces stirred in at the end.
Why is my sauce too thin?
This usually means too much liquid. Cook uncovered for 2-3 extra minutes to reduce. If still thin, let it rest off heat for 5 minutes to thicken naturally.
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