Broccoli and White Cheddar Soup with Garlic Croutons

🕒 Prep: 15 min
🔥 Cook: 30 min
🍽 Serves: 4
★★★★★
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If you're looking for a comforting bowl of warmth as the weather turns chilly, this Broccoli and White Cheddar Soup with Garlic Croutons is your go-to. It’s a twist on the classic broccoli cheddar combo that's perfect for cozy nights in.

Broccoli and White Cheddar Soup with Garlic Croutons

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Ingredients for Broccoli and White Cheddar Soup with Garlic Croutons

Ingredients for Broccoli and White Cheddar Soup with Garlic Croutons

Butter: Starts the soup with a rich, velvety base—unsalted gives you control over the seasoning.

Onion: Adds a subtle sweetness and depth to the soup.

Garlic: Provides a fragrant kick that complements the cheddar beautifully.

Broccoli: The star of the show, bringing nutrients and a vibrant green color.

Potato: Helps thicken the soup naturally without needing additional cream.

Vegetable broth: The backbone of the soup, enhancing flavor while keeping it vegetarian-friendly.

Whole milk: Adds creaminess and helps balance the sharpness of the cheddar.

White cheddar cheese: Gives the soup its signature cheesy taste with a touch of sharpness.

Sourdough bread: Perfect for making croutons that are crispy on the outside, soft on the inside.

Olive oil, garlic powder, dried thyme: Infuse the croutons with flavor, making them irresistible.

Why This Broccoli and White Cheddar Soup with Garlic Croutons Works

As the onion and garlic cook in butter, they soften and lose their sharp bite. They start to taste sweeter and milder, so the soup base is smooth instead of harsh. When the broccoli and potato go into the hot broth, the steady simmer breaks them down. The broccoli stems and florets soften, and the potato starts to fall apart a little. That loose potato starch drifts into the liquid and makes it thicker and creamier even before any cheese goes in.

Once the pot is blended, all those soft pieces of broccoli and potato turn the broth into a smooth, velvety soup. The milk loosens it just enough so it doesn’t feel heavy, and the shredded white cheddar melts into the warm soup and stays suspended there, so every spoonful tastes cheesy and rich. In the oven, the sourdough cubes dry out and crisp up while the oil coats the outside, so the croutons stay crunchy on top of the soft, thick soup instead of going soggy right away.

Broccoli and White Cheddar Soup with Garlic Croutons Tips & Tricks

  • For a thicker soup, use a little less broth or add an extra potato.
  • To make it vegan, substitute the butter and milk with plant-based alternatives and use nutritional yeast instead of cheese.
  • If you like a bit of heat, add a pinch of cayenne pepper or a dash of hot sauce.

Mistakes To Avoid

Letting the broccoli and potatoes simmer way past tender turns them mushy before blending, so the soup can end up gluey and heavy instead of smooth and velvety. The starch from the potato keeps thickening as it breaks down, and the broccoli loses its fresh green color and becomes dull.

Adding the cheese while the soup is still boiling hot often makes it turn grainy and a bit oily. The high heat causes the cheese to separate instead of melting smoothly, so the soup looks curdled and has little chewy bits instead of a creamy texture.

Pouring in cold milk straight from the fridge into very hot soup can cause tiny curds to form. The sudden temperature change shocks the milk, so the liquid doesn’t blend in evenly and the soup looks slightly split instead of silky.

Cutting the sourdough into very big or uneven chunks leads to croutons that burn on the edges while the centers stay soft. Some pieces turn hard and bitter, while others never get fully crisp, so the topping feels inconsistent and chewy.

Equipment Used:

Immersion blender, Large pot, Baking sheet

Ingredients

  1. 2 tbsp unsalted butter
  2. 1 medium onion, diced
  3. 2 cloves garlic, minced
  4. 1 lb broccoli florets
  5. 1 large potato, peeled and diced
  6. 4 cups vegetable broth
  7. 1 cup whole milk
  8. 2 cups shredded white cheddar cheese
  9. Salt and pepper to taste
  10. 4 slices of sourdough bread
  11. 2 tbsp olive oil
  12. 1 tsp garlic powder
  13. 1/2 tsp dried thyme

Step-by-step Instructions

  1. 1. Melt the butter in a large pot over medium heat. Add the diced onion and sauté until translucent, about 5 minutes.
  2. 2. Stir in the minced garlic and cook for an additional 1 minute until fragrant.
  3. 3. Add the broccoli florets and diced potato to the pot. Pour in the vegetable broth and bring to a boil.
  4. 4. Reduce the heat to a simmer, cover, and cook until the broccoli and potatoes are tender, about 15 minutes.
  5. 5. Meanwhile, preheat your oven to 350°F (175°C).
  6. 6. Cut the sourdough bread into cubes. Toss with olive oil, garlic powder, and dried thyme. Spread on a baking sheet and bake for 10-12 minutes, or until golden and crispy.
  7. 7. Using an immersion blender, puree the soup until smooth. Stir in the milk and shredded white cheddar cheese until fully melted and incorporated.
  8. 8. Season the soup with salt and pepper to taste.
  9. 9. Serve hot, garnished with garlic croutons and a sprinkle of additional cheddar cheese if desired.

Frequently Asked Questions

Can I freeze this soup?
Yes, just cool it completely before transferring to airtight containers. It can be frozen for up to 3 months.
Do I have to use sourdough bread?
No, any sturdy bread that can hold up to toasting will work just fine.
What if I don't have an immersion blender?
You can carefully use a regular blender, just do it in batches to avoid overfilling.

Serving Ideas for Broccoli and White Cheddar Soup with Garlic Croutons

This soup pairs wonderfully with a light salad dressed in a tangy vinaigrette. If you're looking for a heartier meal, serve it alongside a grilled cheese sandwich. A glass of crisp white wine complements the cheesy notes beautifully.

Ratings and Comments

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.