Name: Sheet Pan Broccoli Cheddar Soup with Gruyère Grilled Cheese Recipe
Prep time: 10 min
Cook time: PT-497160H4M39S
Total time: 45 min
Cuisine: American
Ingredients: 1 pound broccoli florets; Half of a yellow onion, sliced into 1/2” wedges; 1 head of garlic; 2 tablespoons olive oil; 1 teaspoon dry mustard powder; 1 teaspoon nutritional yeast; 1/2 teaspoon kosher salt; 1/4 teaspoon black pepper; Pinch of cayenne; 3 cups chicken broth; 1 1/2 cups baby spinach, packed; 2 ounces shredded sharp cheddar cheese; 1 ounce shredded parmesan cheese; 2 slices sourdough bread; 1-2 tbsp butter; 3 slices cheddar cheese; ~1/4 cup grated parmesan cheese

Jump to Recipe· 3.8 from 6 reviews

Nothing beats the cozy comfort of a warm, flavorful soup paired with a perfectly crispy grilled cheese, and the Sheet Pan Broccoli Cheddar Soup with Gruyère Grilled Cheese Recipe takes this classic duo to a whole new level. This recipe brings together roasted broccoli and garlic, sharp cheddar, creamy parmesan, and vibrant spinach all blended into a velvety soup, served alongside a sumptuous grilled cheese featuring nutty Gruyère melted between golden, buttery sourdough slices. It’s an effortless yet impressive meal that feels like a warm hug on a plate and a must-have in your weeknight dinner rotation.

Ingredients You’ll Need

The image shows a top view of several ingredients placed on a white marbled surface. There is a clear glass measuring cup filled with light yellow broth at the top left. Below the broth, a white bowl contains bright green broccoli florets. To the right of the broccoli, there are two clear glass bowls, one with shredded light yellow cheese and the other with shredded light orange cheese. Below these, a clear glass bowl holds thick, white onion slices. A whole garlic bulb is next to the bowls on the right side. Small clear glass bowls arranged near the bottom left hold salt, black pepper, a light yellow powder, a pale beige powder, and a red powder. The setup is neat and well-lit, with sharp details visible. Photo taken with an iphone --ar 4:5 --v 7

These ingredients are simple, wholesome, and each brings a unique touch to this dish. From the earthy roasted broccoli to the rich cheeses, every element is essential to building the deep, layered flavors and satisfying texture that makes this recipe so irresistible.

Broccoli florets (1 pound): Roasted until tender and slightly caramelized for maximum flavor depth.
Yellow onion (half, sliced into 1/2” wedges): Adds mild sweetness and aromatic complexity when roasted.
Garlic bulb (1 head): Roasted whole to mellow its sharpness, lending a sweet, creamy garlic essence.
Olive oil (2 tablespoons): For roasting and enriching the veggies with smooth, fruity undertones.
Dry mustard powder (1 teaspoon): A subtle kick that brightens the soup’s flavor profile beautifully.
Nutritional yeast (1 teaspoon): Adds a savory, cheesy umami boost, perfect for deepening flavor.
Kosher salt (1/2 teaspoon): Enhances and balances all the flavors perfectly.
Black pepper (1/4 teaspoon): Adds gentle warmth and subtle spice.
Cayenne pinch: Just enough to give the soup a quiet hint of heat without overpowering it.
Chicken broth (3 cups): The rich, savory base that ties all the elements together smoothly.
Baby spinach (1 1/2 cups, packed): For a fresh burst of color and gentle earthiness.
Sharp cheddar cheese (2 ounces shredded): Imparts tangy creaminess into the soup.
Parmesan cheese (1 ounce shredded plus ~1/4 cup grated): Brings a nutty, salty crunch especially in the grilled cheese.
Sourdough bread (2 slices): The ideal sturdy base for the grilled cheese – crisp and full of flavor.
Butter (1-2 tablespoons): Essential for that golden, buttery crust on the grilled cheese.
Cheddar cheese (3 slices): Melts beautifully inside the grilled sandwich for gooey richness.

How to Make Sheet Pan Broccoli Cheddar Soup with Gruyère Grilled Cheese Recipe

Step 1: Roast the Vegetables

Start by preheating your oven to 350˚F. Slice the top off the garlic bulb, exposing the cloves for roasting. On a sheet pan, spread out the broccoli florets, sliced onion wedges, and the garlic head. Drizzle everything with olive oil and sprinkle on the dry mustard powder, nutritional yeast, kosher salt, black pepper, and a pinch of cayenne. Toss until every piece is beautifully coated. Cover the pan with foil and roast for 35 to 45 minutes, until the broccoli is fork-tender and just beginning to brown — this roasting step is crucial because it intensifies the natural sweetness and savory depth of the veggies, setting the foundation for your soup’s irresistible flavor.

Step 2: Heat the Broth

About ten minutes before the veggies finish roasting, gently warm the chicken broth in a small pot until it’s piping hot. Using hot broth ensures the soup blends smoothly and reaches that comforting steaming temperature we all crave.

Step 3: Blend the Soup

Once the vegetables come out of the oven, peel off about half of the roasted garlic cloves from the bulb — their sweet softness melds beautifully with the other flavors. Add these to a heat-safe blender along with the roasted broccoli and onion, the hot chicken broth, fresh baby spinach, shredded cheddar, and parmesan cheese. Blend until completely smooth and creamy. This step transforms the roasted vegetables into a luscious velvety base, while the cheeses melt in to add richness and tanginess that make every spoonful a delight.

Step 4: Prepare the Gruyère Grilled Cheese

Heat a skillet over medium heat and add 1 to 2 tablespoons of butter, allowing it to melt and sizzle. Toast two slices of sourdough bread in the pan, letting one side get a gorgeous golden-brown crust. Flip the slices, then set one piece of toasted bread aside. Next, sprinkle grated parmesan directly onto the skillet in an oval shape about the size of your bread slice. Place the untoasted side of the bread on top of the parmesan “crust,” add 2 to 3 slices of cheddar cheese, and then top it with the second slice of bread. Cook until the parmesan crisps to a beautiful golden brown. For the final touch, grate another parmesan “crust” next to the sandwich in the pan, flip the sandwich to the other side onto this parmesan bed, and cook until that side is also golden and extra crunchy. This technique creates a crisp, cheesy crust that complements the soft, melty Gruyère and cheddar inside, making every bite irresistibly savory.

How to Serve Sheet Pan Broccoli Cheddar Soup with Gruyère Grilled Cheese Recipe

A clear glass blender jar filled with a smooth, bright green sauce that has a creamy texture and small bubbles on the surface, showing it is freshly blended; the jar handle is visible on the right side, and the jar is placed on a white marbled texture background photo taken with an iphone --ar 4:5 --v 7

Garnishes

Adding a bit of fresh green onion or finely chopped chives on top of your bowl of soup introduces a fresh, bright note and a fun textural contrast. A few extra shreds of sharp cheddar or parmesan can be sprinkled for added cheesiness and visual appeal. A small drizzle of good quality olive oil or a swirl of cream can also elevate the presentation and richness.

Side Dishes

This duo works so well on its own, but if you want to round out your meal, crisp garden salads or tangy pickled vegetables make excellent companions. Light, refreshing sides balance the richness of the soup and grilled cheese. Roasted sweet potatoes or a simple slaw are other fantastic options that add texture and variety without competing with your main flavors.

Creative Ways to Present

For a fun twist, serve the soup in mini bread bowls made from sourdough rolls hollowed out, and place bite-sized grilled cheese sandwiches alongside for easy dipping. Another idea is to cut the grilled cheese into small, crisp croutons to scatter on top of the soup for a playful crunch. Layered plating on rustic wooden boards, with colorful napkins and little ramekins for garnishes, can turn this homely meal into an eye-catching dinner party showstopper.

Make Ahead and Storage

Storing Leftovers

This soup and grilled cheese combo stores wonderfully. Keep leftover soup in an airtight container in the refrigerator for up to 3 days. The grilled cheese sandwiches are best stored separately wrapped in foil to maintain their texture.

Freezing

You can freeze the soup for up to 2 months in freezer-safe containers. Just skip adding the spinach and cheese before freezing; stir them in freshly when reheating to preserve the best texture and flavor. Grilled cheese sandwiches are typically best enjoyed fresh but can be frozen if tightly wrapped and reheated carefully.

Reheating

Reheat the soup gently over low heat, stirring occasionally to maintain smoothness and prevent scorching. For the grilled cheese, reheat in a skillet over medium-low heat or in an oven at 350˚F to restore its crispness without drying it out.

FAQs

Can I make this soup vegetarian?

Absolutely! Substitute the chicken broth with a rich vegetable broth to maintain depth of flavor. The roasted veggies and cheeses will still shine beautifully.

Can I use other cheeses besides Gruyère and cheddar?

Yes, feel free to experiment with cheeses like mozzarella, fontina, or even a smoky gouda for your grilled cheese. Just make sure they melt well to get that gooey texture.

Is nutritional yeast necessary?

While optional, nutritional yeast adds a subtle umami and cheesy flavor that enhances the soup. You can leave it out if you don’t have any, but it’s a lovely addition.

Can I prepare parts of this recipe ahead of time?

You can roast the vegetables up to a day ahead and store them in the refrigerator, then blend and finish the soup just before serving. The grilled cheese is best made fresh.

How spicy is the soup?

The pinch of cayenne gives just a gentle warmth that lifts the flavors without making it spicy. You can always add more or skip it based on your heat preference.

Final Thoughts

The Sheet Pan Broccoli Cheddar Soup with Gruyère Grilled Cheese Recipe is the perfect blend of comfort, flavor, and simplicity that will make your kitchen smell incredible and your taste buds sing. Whether you’re cooking for family, friends, or indulging in a cozy solo meal, this combination is guaranteed to warm your heart and satisfy your cravings. I can’t wait for you to try it and make it your new favorite!