Quiznos Broccoli Cheese Soup Recipe (creamy & smoothe)

I’ve been meaning to make this Quiznos Broccoli Cheese Soup Recipe at home for a while. Every time I had a bowl at Quiznos, I thought it looked like the kind of soup that should be fairly simple to recreate — broccoli, carrots, cheddar cheese, and a creamy soup base.

But getting that texture right is a little trickier than it looks.

The broccoli needs to be tender without turning mushy, the carrots need enough time to soften, and the cheddar has to melt into the soup without becoming stringy or grainy.

The butter and flour also play an important part, giving the broth enough body before the half-and-half and cheese go in.

For this version, I use fresh broccoli chopped into small pieces, shredded carrots, mild cheddar, chicken broth, and half-and-half.

I also shred the cheddar myself because it melts much more smoothly than the pre-shredded kind.

Quiznos describes its Broccoli Cheese Soup as a creamy soup made with broccoli and carrots, which is exactly the combination I wanted to capture here.

So that’s what we’re making today: a homemade Quiznos Broccoli Cheese Soup Recipe with tender vegetables, plenty of melted cheddar, and that thick, creamy texture you want from a good broccoli cheese soup.

What Cheese Should I Choose To Make This Soup

Mild cheddar cheese is my first choice for this soup.

It gives the recipe a creamy cheddar flavor without overpowering the broccoli, carrots, garlic, and broth.

I recommend buying a block and shredding all 24 ounces yourself because freshly grated cheese melts more evenly into the hot soup.

Sharp cheddar will work if you want a stronger cheese flavor, but the finished soup will taste noticeably bolder. You can also use medium cheddar for a middle ground.

I would avoid very aged cheddar here because it can be more difficult to melt smoothly and may give the soup a slightly grainy texture.

Reasons I’m Obsessed With Making This Quiznos Broccoli Cheese Soup at Home

It tastes like comfort food. The combination of creamy half-and-half, cheddar, broccoli, and carrots makes every spoonful rich and satisfying.

The vegetables actually matter. The carrots add a little sweetness while the broccoli gives the soup its classic texture.

You control the broccoli pieces. Chop them small for a restaurant-style spoonful or leave them slightly larger if you like noticeable pieces.

The cheese melts right into the base. Adding it after turning off the heat helps keep the cheddar smooth.

It makes a generous pot. This recipe is handy when you want lunch ready for several people without making a complicated meal.

Quiznos Broccoli Cheese Soup Ingredients

1 cup salted butter (2 sticks) – This creates the rich base for the soup and gives the flour something to cook into. Since the recipe already uses salted butter, I keep the added salt measured rather than adding a lot at once.

1 medium onion, diced – Onion gives the soup a savory base. Dice it fairly small so it softens into the creamy broth instead of leaving large pieces.

1 garlic clove, minced – One clove is enough to give the soup a gentle garlic flavor. Fresh garlic works best here.

½ cup all-purpose flour – The flour thickens the butter, broth, and dairy into the creamy consistency you want from broccoli cheese soup. Stir it well so no dry pockets remain.

4 cups chicken broth – Chicken broth adds savory flavor underneath the cheese. If you have a low-sodium broth, you can use it and adjust the salt at the end.

4 cups half-and-half – This gives the soup its creamy body without making it quite as heavy as using all heavy cream. Add it after the vegetables have had time to cook.

¼ teaspoon black pepper – A small amount adds a gentle peppery bite without competing with the cheddar.

1½ teaspoons salt – The exact amount can vary slightly depending on your broth and cheese. Taste before adding more.

⅛ teaspoon cayenne pepper – This is a small amount, but it adds just enough warmth to keep the creamy soup from tasting one-dimensional. Leave it out if you prefer no heat.

24 ounces mild cheddar cheese, shredded – Freshly shredded mild cheddar is the key cheese for this version. Shred it from a block instead of buying pre-shredded cheese for a smoother melt.

3 large carrots, shredded – Shredded carrots soften quickly and spread throughout the soup. They also add natural sweetness and the little orange flecks associated with this style of soup.

1 pound fresh broccoli, chopped – Fresh broccoli gives the soup its main vegetable flavor. Chop it into small pieces so it is easy to get broccoli in nearly every spoonful.

Cheese note: Shred the cheddar from a block rather than using pre-shredded cheese. Freshly shredded cheese melts more smoothly into the soup.

Broccoli note: For noticeable broccoli pieces, chop it into small pieces. For a smoother soup with smaller pieces throughout, chop the broccoli more finely.

Kitchen Equipment Needed

• Large heavy-bottomed pot or Dutch oven (5 to 6 quarts)
• Wooden spoon or heat-safe spatula
• Cutting board and sharp knife
• Box grater
• Measuring cups and spoons
• Ladle
• Airtight containers or freezer-safe zip-top bags

How To Make Quiznos Broccoli Cheese Soup

Step 01 | Melt the Butter and Cook the Onion

Place a large pot over medium heat and add the salted butter. Let the butter melt completely, then add the diced onion. Cook for several minutes, stirring often, until the onion becomes soft and translucent.

Step 02 | Add the Garlic and Seasonings

Add the minced garlic to the softened onion. Sprinkle in the salt, black pepper, and cayenne pepper, then stir well so the garlic and seasonings are evenly mixed into the butter and onions.

Step 03 | Cook the Carrots

Add the shredded carrots and stir them into the onion mixture. Cook for about 7 minutes over medium heat, stirring occasionally. The carrots should soften as they cook while still keeping some texture.

Step 04 | Stir in the Flour

Sprinkle the all-purpose flour over the cooked vegetables. Stir continuously for about 1 minute so the flour combines with the butter and vegetables. This creates the base that will help thicken the soup.

Step 05 | Add the Chicken Broth

Slowly pour in the chicken broth while stirring to combine it with the flour mixture. Continue cooking until the soup reaches a gentle simmer, stirring as needed to keep the mixture smooth.

Step 06 | Cook the Broccoli

Once the broth reaches a simmer, add the chopped broccoli. Stir it into the soup and cook for about 12 minutes, stirring occasionally. The broccoli should become tender while remaining in small pieces throughout the soup.

Step 07 | Add the Half-and-Half

Pour in the half-and-half and stir well. Continue heating until the soup comes back to a gentle simmer. Keep the heat controlled so the dairy does not boil aggressively.

Step 08 | Melt in the Cheddar Cheese

Once the soup reaches a simmer, turn off the heat. Add the shredded mild cheddar cheese gradually, stirring slowly after each addition. Continue stirring until all 24 ounces of cheese have completely melted into the soup and the mixture is smooth and creamy.

Step 09 | Serve the Broccoli Cheese Soup

Ladle the hot soup into bowls and serve right away. It can be enjoyed on its own or with garlic bread on the side.

Step 10 | Freeze Leftovers

If you make a large batch, allow the soup to cool before transferring it to a freezer-safe zip-top bag or suitable freezer container. The transcript states that the soup can be frozen for up to 3 months.

Tips & Notes for a Smooth, Creamy Quiznos Broccoli Cheese Soup

• Shred the cheese yourself. Block cheddar melts more smoothly than many packaged shredded cheeses.
• Do not rush the flour step. Give the flour about a minute to cook into the butter before adding the broth.
• Keep the heat gentle after adding dairy. A hard boil is not needed and can affect the texture.
• Add cheese off the heat. This is my favorite trick for keeping the cheddar smooth.
• Chop broccoli based on your preference. Small pieces give you broccoli throughout the soup, while larger pieces create a chunkier bowl.
• Taste before adding extra salt. Chicken broth and cheddar can vary quite a bit in saltiness.
• Use a heavy-bottomed pot. It helps distribute heat evenly and reduces the chance of scorching the creamy base.
• Do not dump all the cheese in at once. Adding it gradually gives the hot soup time to absorb each addition.

Can I Use Frozen Broccoli To Make Quiznos Broccoli Cheese Soup

Yes, frozen broccoli works well here.

Fresh broccoli keeps a slightly firmer bite, while frozen turns softer and blends into the soup more easily.

You don’t need to thaw it, but chop the florets small first if they’re large.

Add the frozen pieces straight to the simmering broth and expect the cook time to land a few minutes shorter, around 8 to 10 minutes.

Squeeze off any extra ice crystals so the soup doesn’t thin out.

Other Cooking Options You Can Try

Slow Cooker

You can adapt the soup for a slow cooker, but I would still make the flour-and-butter thickening base on the stove first.

Add the broth and vegetables to the slow cooker, then cook until the broccoli is tender. Add the dairy and cheese near the end and stir until smooth.

Stovetop With Smaller Broccoli Pieces

If you want a smoother restaurant-style texture without blending the whole soup, chop the broccoli very finely before cooking.

The smaller pieces soften into the creamy base while still giving you some texture.

Immersion Blender

For a creamier soup, use an immersion blender after the broccoli and carrots have softened. Blend only part of the soup and leave some vegetables whole.

This gives you a thicker base while keeping recognizable broccoli and carrot pieces.

Partial Blend in a Regular Blender

You can carefully blend a portion of the cooled soup and return it to the pot. Do not fill a blender with piping-hot soup, as hot liquid can create pressure and cause splattering.

Work in small batches and follow your blender’s instructions.

What To Serve with Quiznos Broccoli Cheese Soup

Garlic Bread – Warm garlic bread is probably my first pick with this soup. The crisp edges and buttery center give you something hearty to dip into the creamy cheddar broth without adding another complicated side.

Toasted Sourdough – A thick slice of toasted sourdough works especially well because its crisp crust holds up when dipped. Serve the soup in a wide bowl and place the toast along the side for easy scooping.

Turkey or Ham Sandwich – If you are making this for lunch, pair a small turkey or ham sandwich with the soup. Keep the sandwich simple so the cheddar soup remains the main flavor instead of competing with a heavy filling.

Simple Green Salad – A crisp salad with lettuce, cucumber, tomato, and a light dressing brings some freshness to the meal. I like serving a small salad or mac salad beside the soup rather than making it another large part of the plate.

Bread Bowl – For a fun restaurant-style presentation, ladle the hot soup into a small bread bowl. Leave enough bread around the bottom so it stays sturdy while you eat.

Store Leftover, Freezing & Reheating The Soup

Refrigerating

Let the soup cool for about 30 minutes, then transfer it to airtight containers within 2 hours of cooking. It keeps well in the fridge for up to 4 days. It will thicken as it chills, which is normal.

Freezing

For a big batch, cool the soup completely first. Pour it into freezer-safe zip-top bags or containers, leaving about an inch of room for expansion. It freezes well for up to 3 months. Label the date so you don’t have to guess.

Reheating

Thaw frozen soup overnight in the fridge. Warm it in a pot over low heat, stirring often, until steaming hot, about 10 minutes. Add a splash of milk or broth if it’s too thick, and avoid boiling to keep it creamy.

FAQs

Can I use sharp cheddar instead of mild cheddar?

Yes. Sharp cheddar gives the soup a stronger cheese flavor, while mild cheddar keeps the flavor softer and closer to the style used in this recipe. Whichever cheddar you choose, shred it from a block for the smoothest melt.

Why should I shred the cheese myself?

Pre-shredded cheese often contains ingredients that help keep the shreds from sticking together. Those ingredients can make the cheese less willing to melt smoothly. Freshly shredded block cheddar melts more evenly, which is especially helpful in a creamy soup.

Can I make this soup without cayenne pepper?

Absolutely. The cayenne is there for a small amount of warmth rather than strong heat. If you prefer a completely mild soup, simply leave it out. The cheddar, garlic, onion, and black pepper will still give the soup plenty of flavor.

How do I make the soup thicker?

Letting the flour cook properly with the butter helps create the thick base. If your soup still seems thinner than you want, give it a little more time at a gentle simmer before adding the cheese. Avoid adding extra flour directly to the finished soup because it can leave lumps.

Can I use pre-shredded carrots?

Yes. Pre-shredded carrots can save prep time and work well in this recipe. If the pieces are long or thick, give them a rough chop before adding them so they blend more naturally into each spoonful.

Why did my cheese become grainy?

Cheese can become grainy when it is exposed to very high heat or added too quickly. For this recipe, turn off the heat before adding the cheddar and stir it in gradually. Keeping the soup below a hard boil gives you a much better chance of getting that smooth, creamy texture.

This Quiznos Broccoli Cheese Soup Recipe has become one of my favorite ways to make a restaurant-style soup at home.

The creamy cheddar base, tender broccoli, and shredded carrots make every bowl feel hearty without being complicated.

If you enjoy soup copycat recipes, keep this one handy for a quick lunch or an easy dinner with garlic bread or a toasted sandwich.