Ingredients
Scale
- 1 large whole garlic head
- 1 ½ tablespoons olive oil
- 4 large sweet onions (about 9 cups, thinly sliced)
- 2 medium leeks (about 2 ½ cups, thinly sliced)
- 1 teaspoon salt
- 1 teaspoon dried thyme
- 2 tablespoons all-purpose flour
- 1/3 cup dry white apple vinegar
- 4 cups vegetable broth
- 2 cups milk
Instructions
- Preheat oven to 350°F (175°C). Prepare the garlic by wrapping it in foil with olive oil and roasting for about one hour.
- In a large pot, heat remaining olive oil over medium heat. Sauté sliced onions and leeks for about 30 minutes until soft. Season with salt and thyme; continue cooking until dark golden brown.
- Stir in flour and cook for one minute before adding vinegar and vegetable broth. Bring to a boil, then reduce heat and simmer for another 30 minutes.
- Blend the roasted garlic and onion mixture until smooth. Return to the pot, stir in milk, and simmer for an additional 8 minutes.
- Prep Time: 15 minutes
- Cook Time: 90 minutes
- Category: Soup
- Method: Roasting and Simmering
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 275
- Sugar: 6g
- Sodium: 700mg
- Fat: 10g
- Saturated Fat: 3g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 4g
- Protein: 7g
- Cholesterol: 10mg
Keywords: For a vegan version, substitute plant-based milk. Customize with herbs like rosemary or spices for added warmth.
