Roasted Garlic Soup

Featured in: Warm Homestyle Comfort Meals

This comforting bowl combines the mellow sweetness of slowly roasted garlic with creamy potato for a silky smooth texture. The roasting process transforms sharp garlic into something deeply aromatic and mild, while potato adds body without overpowering the delicate flavor.

Perfect for chilly evenings or when you need something soothing, this soup comes together in just over an hour with minimal hands-on time. Serve it steaming hot with crusty bread and a sprinkle of fresh parsley for a simple yet elegant meal that feels like a warm hug.

Updated on Wed, 21 Jan 2026 14:19:00 GMT
A warm bowl of roasted garlic soup garnished with fresh parsley, offering a velvety texture and rich aroma. Pin it
A warm bowl of roasted garlic soup garnished with fresh parsley, offering a velvety texture and rich aroma. | citrusfable.com

The apartment smelled incredible, that deep mellow sweetness that only roasted garlic can create. My roommate walked in mid-roast, wrinkling her nose until she tasted it, then asked if I could make it every Sunday. Something about garlic transforming from sharp to almost honey-like feels like kitchen magic.

I made this during the first snowstorm of last winter, watching fat flakes collect on the windowsill while the oven did all the heavy lifting. My neighbor texted asking what smelled so good, which is basically the highest compliment you can get in apartment living.

Ingredients

  • 4 large heads of garlic: Whole heads roast down into something creamy and spreadable, way more nuanced than raw cloves could ever be
  • 2 tablespoons olive oil: Coats the garlic and helps it caramelize instead of drying out
  • 2 tablespoons unsalted butter: Builds a fond at the bottom of the pot that adds depth to every spoonful
  • 1 medium yellow onion: Finely chopped so it practically dissolves into the soup
  • 1 large russet potato: The secret weapon for silky texture without using heavy cream
  • 4 cups low-sodium vegetable broth: Lets the roasted garlic shine without overpowering it
  • 1 cup whole milk or unsweetened plant-based milk: Adds just enough creaminess to coat the spoon
  • 1/2 teaspoon dried thyme: Earthy and subtle, pairs perfectly with roasted flavors
  • 1 bay leaf: Classic aromatics that make the soup taste like it simmered all day
  • Salt and freshly ground black pepper: Season gradually, roasted garlic needs less salt than you think
  • 2 tablespoons chopped fresh parsley: Brightens up all that mellow richness with a fresh finish
  • Croutons or toasted bread: Optional but honestly recommended for texture contrast

Instructions

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Roast the garlic until golden and soft:
Slice the tops off the garlic heads to expose the cloves, drizzle with olive oil, wrap in foil, and roast at 400°F for 35 to 40 minutes until the cloves are soft and golden. Let cool slightly, then squeeze the roasted cloves out of their skins like butter from a tube.
Build the soup base:
Melt butter in a large pot over medium heat, add chopped onion, and sauté until translucent about 5 minutes. Take your time here, no color needed, just soft and sweet.
Simmer everything together:
Add diced potato, roasted garlic, thyme, bay leaf, and vegetable broth. Bring to a boil, then reduce heat and simmer for 15 minutes until potatoes are completely tender.
Blend until silky smooth:
Fish out the bay leaf, then use an immersion blender to purée the soup until completely smooth, or work in batches with a standard blender. The potato ensures it turns creamy without any actual cream.
Add the finishing touch:
Return the soup to the pot, stir in the milk, and heat gently until warmed through. Season with salt and pepper, remembering that roasted garlic already brings some natural sweetness.
Make it pretty:
Ladle into bowls and finish with chopped parsley and maybe some croutons if you want that crunch factor.
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Rinse produce, clean cookware, and fill pots smoothly with flexible spray options for everyday cooking.
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Golden roasted garlic cloves nestled in this creamy vegetarian soup, served alongside crusty toasted bread slices. Pin it
Golden roasted garlic cloves nestled in this creamy vegetarian soup, served alongside crusty toasted bread slices. | citrusfable.com

This became my go-to sick day soup last year, something about roasted garlic feeling medicinal but actually comforting. My dad still asks for it whenever he visits, saying it reminds him of his grandmother kitchen.

Make It Your Own

Swap in shallots for half the onion if you want a slightly more sophisticated flavor. Add a pinch of cayenne at the end for warmth that creeps up on you, or stir in some grated Parmesan right before serving for umami depth.

Serving Suggestions

A green salad with sharp vinaigrette cuts through all that richness beautifully. Grilled cheese sandwiches, obviously, but also works alongside roasted vegetables or a light grain salad for a more complete meal.

Storage and Make-Ahead

The soup keeps in the fridge for up to four days and actually tastes better the next day as flavors meld. Freeze it in portion sized containers for up to three months, just leave out the final milk addition and stir it in after reheating.

  • Reheat gently over low heat, stirring frequently to prevent scorching
  • Thin with extra broth if it thickens too much in the fridge
  • Roast extra garlic while the oven is hot, it keeps for a week and transforms scrambled eggs
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Ideal for slow-simmered sauces, braised vegetables, baked dips, and cozy one-pot meals with even heat.
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Comforting roasted garlic soup in a rustic bowl, featuring a smooth, savory broth perfect for chilly evenings. Pin it
Comforting roasted garlic soup in a rustic bowl, featuring a smooth, savory broth perfect for chilly evenings. | citrusfable.com

There is something profoundly comforting about a bowl of soup that took mostly hands-off time but tastes like you fussed over it for hours.

Recipe FAQs

How long does it take to roast garlic for soup?

Roasting garlic takes about 35-40 minutes at 400°F. You'll know it's ready when the cloves are soft, golden, and easily squeeze out of their skins. The cloves become sweet and mellow, losing their sharp bite.

Can I make this soup ahead of time?

Absolutely. This soup actually tastes better the next day as flavors meld. Store it in an airtight container in the refrigerator for up to 3 days. Reheat gently over low heat, adding a splash of milk or broth if needed to adjust consistency.

What's the purpose of potato in this soup?

The potato acts as a natural thickener, creating that velvety smooth texture without using heavy cream. It also adds subtle sweetness that complements the roasted garlic beautifully while keeping the soup light.

Is this soup freezer-friendly?

Yes, freeze it for up to 3 months. Cool completely before transferring to freezer-safe containers. Thaw overnight in the refrigerator, then reheat gently. Note that the texture may be slightly thinner after freezing.

How can I add more protein to this soup?

Stir in white beans during puréeing, add shredded chicken, or top with toasted nuts and seeds. A dollop of Greek yogurt or a poached egg also adds protein while enhancing the creamy texture.

Roasted Garlic Soup

Velvety soup with sweet roasted garlic, ready in over an hour

Prep time
15 minutes
Time to cook
50 minutes
Overall time
65 minutes
Created by Noah Roberts


Skill Level Easy

Cuisine European

Serves 4 Portions

Diet info Vegetarian, No Gluten

What You'll Need

Roasted Garlic

01 4 large heads garlic, tops sliced off to expose cloves
02 2 tablespoons olive oil

Soup Base

01 2 tablespoons unsalted butter
02 1 medium yellow onion, finely chopped
03 1 large russet potato, peeled and diced
04 4 cups low-sodium vegetable broth
05 1 cup whole milk or unsweetened plant-based milk
06 1/2 teaspoon dried thyme
07 1 bay leaf
08 Salt and freshly ground black pepper, to taste

Garnish

01 2 tablespoons chopped fresh parsley
02 Croutons or toasted bread (optional)

Directions

Step 01

Roast the Garlic: Preheat oven to 400°F. Slice tops off garlic heads to expose cloves. Drizzle with olive oil, wrap tightly in foil, and roast for 35-40 minutes until cloves are soft and golden brown. Cool slightly, then squeeze roasted garlic from skins.

Step 02

Sauté Aromatics: Melt butter in a large pot over medium heat. Add chopped onion and cook, stirring occasionally, until translucent and fragrant, about 5 minutes.

Step 03

Simmer Soup Base: Add diced potato, roasted garlic, thyme, bay leaf, and vegetable broth. Bring to a boil, then reduce heat to low and simmer for 15 minutes until potatoes are completely tender.

Step 04

Purée Soup: Remove and discard bay leaf. Use an immersion blender to purée soup until completely smooth, or transfer to a standard blender in batches.

Step 05

Finish and Serve: Return soup to pot. Stir in milk and heat gently until warmed through. Season with salt and pepper to taste. Ladle into bowls and garnish with parsley and optional croutons or toasted bread.

Tools Needed

  • Chef's knife
  • Baking sheet and aluminum foil
  • Large pot
  • Immersion blender or standard blender
  • Ladle

Allergy Advice

Review ingredients for allergens and speak with a healthcare provider if unsure.
  • Contains: Milk and dairy products if using dairy milk and butter. Gluten may be present in croutons or bread; use gluten-free alternatives if needed. Always check labels for potential allergens.

Nutritional Details (per serving)

This nutrition info is an estimate and not medical advice.
  • Total Calories: 185
  • Fats: 9 grams
  • Carbohydrates: 23 grams
  • Proteins: 4 grams