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One Pot One Pot Creamy Tomato Pasta

Creamy tomato pasta with penne in a glossy sauce and fresh basil.

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This is a simple, comforting pasta dish where everything cooks together in one pot. The pasta simmers directly in a tomato and broth base, creating a rich, velvety sauce finished with cream and Parmesan. It is the ultimate easy weeknight dinner with minimal cleanup.

Ingredients

Scale
  • 1 tablespoon olive oil
  • 1 small yellow onion, finely diced
  • 4 cloves garlic, minced
  • 1 (28-ounce) can crushed tomatoes
  • 2 cups vegetable broth
  • 1 teaspoon dried oregano
  • ½ teaspoon red pepper flakes (optional)
  • 1 teaspoon kosher salt, plus more to taste
  • ½ teaspoon black pepper
  • 12 ounces short pasta (penne, rigatoni, or fusilli)
  • ½ cup heavy cream
  • 1 cup freshly grated Parmesan cheese, plus more for serving
  • Fresh basil, for garnish

Instructions

  1. Heat olive oil in a large pot or Dutch oven over medium heat. Add the diced onion and cook until soft and translucent, about 5 minutes. Add the garlic and cook for 30 seconds until fragrant.
  2. Pour in the crushed tomatoes, vegetable broth, oregano, red pepper flakes, salt, and black pepper. Stir well to combine.
  3. Add the dry pasta to the pot, stirring to submerge it in the liquid. Bring to a lively simmer, then reduce heat to maintain a gentle bubble. Cover and cook for 12-15 minutes, stirring every 4-5 minutes, until pasta is al dente and most liquid is absorbed.
  4. Turn off the heat. Stir in the heavy cream and grated Parmesan cheese until the cheese is melted and the sauce is creamy. Taste and adjust seasoning if needed.
  5. Let the pasta rest off the heat for 2-3 minutes to allow the sauce to thicken. Serve immediately, garnished with fresh basil and extra Parmesan.

Notes

For a dairy-free version, use full-fat coconut milk instead of heavy cream and a vegan Parmesan alternative. Stir the pasta regularly while it cooks to prevent sticking. Do not add the cream and cheese until the heat is off to prevent curdling.

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