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Onion boil recipe with whole tender onions simmered in savory broth

Onion Boil Recipe


  • Author: Sarah
  • Total Time: 50 minutes
  • Yield: 4 servings 1x
  • Diet: Vegetarian

Description

This cozy onion boil recipe is a simple, budget-friendly way to turn humble onion into a comforting bowl of flavor. Tender whole onions simmer in seasoned broth until sweet, silky, and deeply savory — a perfect winter warmer.


Ingredients

Scale
  • 4 large yellow onions, peeled (leave whole)
  • 4 cups vegetable broth or chicken broth
  • 2 cups water
  • 2 tbsp unsalted butter or olive oil
  • 1 tsp kosher salt, plus more to taste
  • 1/2 tsp black pepper
  • 1 tsp garlic powder
  • 1 tsp dried thyme
  • 1 bay leaf
  • Optional: 1 tbsp onion soup mix (for a bolder onion soup note)
  • Optional garnish: chopped parsley or chives

Instructions

  1. Peel the onions and trim the root end just enough so they sit flat, but stay whole.
  2. In a large pot or Dutch oven, add broth, water, butter, salt, pepper, garlic powder, thyme, and bay leaf.
  3. Gently place the whole onions into the pot so they are mostly submerged.
  4. Bring to a light boil, then reduce to low. Cover and simmer for 35 to 45 minutes, until the onions are very tender when pierced.
  5. Taste and adjust seasoning. Remove the bay leaf. Serve hot with broth ladled over each onion.

Notes

For a richer flavor, add an extra tablespoon of butter near the end. Swap in rosemary or sage for the thyme for a wintery twist. Want it cheesy? Top with Gruyère or Swiss and broil. To serve soup-style, slice the onions after cooking.

  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Category: Soup
  • Method: Stovetop
  • Cuisine: Comfort Food

Nutrition

  • Serving Size: 1 onion with broth
  • Calories: 120
  • Sugar: 5g
  • Sodium: 650mg
  • Fat: 6g
  • Saturated Fat: 3g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 14g
  • Fiber: 3g
  • Protein: 2g
  • Cholesterol: 10mg

Keywords: onion boil, cozy recipe, winter soup, simple onion recipe, warm meal