Keto One Pot Sausage and Zucchini Bucatini

Prep: 10 minCook: 20 min4 servingsmediumItalian
One Pot Sausage and Zucchini Bucatini with Parmesan

A hearty one-pot pasta dish that combines spicy Italian sausage with tender zucchini and fresh thyme in a savory chicken stock base. The bucatini absorbs the flavorful cooking liquid while the sausage adds richness and the zucchini provides a fresh vegetable element. Perfect for weeknight dinners when you want maximum flavor with minimal cleanup. The dish finishes with freshly grated Parmesan that melts into the pasta, creating a cohesive and satisfying meal that's ready in under 30 minutes.

Ingredients

4 servings
  • 3 tablespoons olive oil
  • 2 spicy Italian sausages, casings removed
    sweet Italian sausage1:1milder

    reduces heat level

  • 1 yellow onion, chopped
  • 2 zucchini, sliced lengthwise, then thinly sliced into half circles
  • 2 garlic cloves, minced
  • 1 ½ tablespoons thyme, minced
  • 2 ½ cups chicken stock
    vegetable stock1:1vegetarian

    maintains flavor base

    Full guide →
  • ½ pound bucatini
    penne or rigatoni1:1shape swap

    shorter pasta works well

  • ½ cup Parmesan, freshly grated
    Pecorino Romano1:1cheese swapdairy-free

    sharper flavor

    Full guide →
  • salt(optional)
  • pepper(optional)

Instructions

  1. 1

    Heat oil in large pot over medium-high heat

  2. 2

    Sauté sausage until browned and crumbled

  3. 3

    Add onions and sauté

  4. 4

    Add zucchini, garlic and thyme and continue to sauté

  5. 5

    Season with salt and pepper

  6. 6

    Pour stock into pot and bring to boil

  7. 7

    Add pasta and lower heat to medium

  8. 8

    Simmer stirring occasionally until most liquid has evaporated and pasta is al dente

  9. 9

    Season with salt and pepper

  10. 10

    Top pasta with parmesan and toss until well combined

  11. 11

    Adjust seasonings and serve with more parmesan and thyme

Tips

Tip 1

Remove sausage casings before cooking for easier browning and better texture distribution

Tip 2

Slice zucchini thinly to ensure even cooking and prevent mushiness

Tip 3

Stir pasta occasionally while simmering to prevent sticking and ensure even liquid absorption

Good to Know

Storage

Refrigerate leftovers up to 3 days in covered container

Make Ahead

Can prep vegetables up to 1 day ahead, store covered in refrigerator

Serve With

Serve immediately while hot, topped with additional Parmesan and fresh thyme

See pairing guide →

Common Mistakes

Watch

Don't overcook zucchini to avoid mushy texture

Watch

Stir pasta regularly to prevent sticking to bottom of pot

Watch

Don't add all liquid at once to prevent overflow

Substitutions

Dairy-Free Swaps

Parmesan
Pecorino Romano1:1cheese swapdairy-free

sharper flavor

Full guide →

General Alternatives

spicy Italian sausage
sweet Italian sausage1:1milder

reduces heat level

bucatini
penne or rigatoni1:1shape swap

shorter pasta works well

chicken stock
vegetable stock1:1vegetarian

maintains flavor base

Full guide →
Find more substitutions →

FAQ

Can I use a different type of pasta?

Yes, any short to medium pasta works well. Penne, rigatoni, or shells are good substitutes for bucatini in this recipe.

What if I don't have fresh thyme?

Use 1/2 tablespoon dried thyme instead. Add it with the garlic and reduce cooking time slightly.

How long will leftovers keep?

Store covered in refrigerator for up to 3 days. Reheat gently with a splash of stock or water to restore moisture.