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Onion Boil Pasta

This recipe puts a delicious twist on the viral onion boil. Tender onion, garlic, and sweet cherry tomatoes are slow-roasted in a Dutch oven and cooked to perfection in a rich, spiced butter sauce. Once softened, the ingredients are blended into a silky sauce and tossed with pasta, creating a dish that’s packed with savory, garlicky goodness. Finish it with a sprinkle of fresh Parmesan and parsley for a perfect meal with a comforting kick!

Tasty Team
94% would make again
Total Time

1 hr 10 min

1 hr 10 min

Prep Time

10 minutes

10 min

Cook Time

1 hr

1 hr

Onion Boil Pasta
Total Time

1 hr 10 min

1 hr 10 min

Prep Time

10 minutes

10 min

Cook Time

1 hr

1 hr

Ingredients

for 8 servings

Seasoned Butter

  • 8 oz unsalted butter, melted
  • 2 teaspoons minced garlic
  • 1 teaspoon onion powder
  • 1 teaspoon lemon pepper
  • 1 teaspoon paprika
  • 1 teaspoon Old Bay® seasoning
  • ½ teaspoon creole seasoning
  • 1 teaspoon dehydrated parsley
  • pepper, to taste
  • 1 large yellow onion, peeled and cored
  • 1 garlic head, with top removed
  • 1 lb cherry tomatoes
  • 1 lb pasta, cooked
  • grated parmesan cheese, for garnish
  • fresh parsley, for garnish

Nutrition Info

  • Calories 312
  • Fat 23g
  • Carbs 22g
  • Fiber 1g
  • Sugar 2g
  • Protein 4g

Estimated values based on one serving size.

Preparation

  1. Preheat the oven to 380°F (about 190°C).
  2. Make the seasoned butter: In a microwave-safe bowl, microwave the butter on high for 45–60 seconds, until melted (do not overheat).
  3. To the melted butter, add all the dry ingredients, and mix until well combined.
  4. In a 5-quart Dutch oven, add the onion and cherry tomatoes. Cut the top of the garlic, and add to the Dutch oven. Pour the butter mixture over the ingredients; cover and cook in the oven for at least one hour, or until the onion is soft.
  5. Cook desired pasta to al dente according to the package instructions.
  6. Squeeze the garlic from the husk into the cooked ingredients. Blend with an immersion blender or blender until smooth.
  7. Add the cooked pasta, and mix until well combined.
  8. Serve and top with fresh Parmesan cheese, and garnish with fresh parsley, if desired.
  9. Enjoy!
  10. Don't just wing it -- plan it! Use our meal planner tool in the Tasty app. Download here.
Onion Boil Pasta