June 21, 2026 · 30 min

Crispy Cheddar Frico Cheeseburgers with Caramelized Onion Jam and Roasted Broccoli

Dinner30 min813 cal / serving

Elevate your burger night with these irresistible crispy cheddar frico cheeseburgers. The star of the show is the frico-a lacy, golden-brown cheese crisp made by baking cheddar until perfectly crunchy. Paired with a sweet and tangy caramelized onion jam, juicy beef patty and fresh tomato, every bite is a symphony of textures and flavors.

This recipe also includes simple roasted broccoli as a side, making it a complete meal that’s both satisfying and impressive. Whether you’re cooking for a crowd or just treating yourself, these burgers are sure to become a new favorite.


Recipe details

Dinner30 min813 cal / serving2 servings

Nutrition per serving

Calories813 kcalProtein36.8 gFat46.3 gCarbs32.3 gSugar14.7 gFiber5.8 gSodium682 mg

Dietary labels

Gluten-free: noLactose-free: noDairy-free: no

Allergen check

Gluten / wheat: containsMilk / dairy: containsEgg: not detectedFish: not detectedShellfish: not detectedPeanut: not detectedTree nuts: not detectedSoy: not detectedSesame: not detectedMustard: not detectedCelery: not detectedSulphites: not detectedLupin: not detectedMolluscs: not detected

Values are calculated per serving from ingredient amounts and the ingredient nutrition reference per 100g. Allergen and diet labels use available ingredient metadata and name matching; always check product labels for strict diets or allergies. Some ingredient amounts or nutrition values were incomplete, so this is marked as a partial estimate.


Ingredients

Red Onion1 unit Red OnionView ingredient guide
Roma Tomato1 unit Roma TomatoView ingredient guide
Brioche Buns2 unit Brioche BunsView ingredient guide
Ground Beef10 ounce Ground BeefView ingredient guide
Broccoli Florets8 ounce Broccoli FloretsView ingredient guide
Sherry Vinegar3 teaspoon Sherry VinegarView ingredient guide
Cheddar Cheese0.5 cup Cheddar CheeseView ingredient guide
Ketchup2 tablespoon KetchupView ingredient guide
Olive Oil1 tablespoon Olive OilView ingredient guide
Sugar1 teaspoon SugarView ingredient guide
SaltSaltView ingredient guide
PepperPepperView ingredient guide

Instructions

  1. Preheat the oven to 425°F (220°C) and adjust the rack to the upper position. Wash and dry all produce. Halve, peel and thinly slice the red onion. Slice the Roma tomato into rounds. Split the brioche buns in half. Shape the ground beef into two evenly sized patties, making them slightly wider than the buns.
  2. Toss the broccoli florets on a baking sheet with a drizzle of olive oil and a pinch of salt and pepper. Roast in the oven until lightly crisped, about 15-20 minutes.
  3. Heat a drizzle of olive oil in a large pan over medium-high heat. Add the sliced onion and cook, tossing, until soft, about 5-6 minutes. Stir in 1 tablespoon of sherry vinegar (you’ll have extra) and 1 teaspoon of sugar. Simmer until the liquid is nearly evaporated, 1-2 minutes. Season with salt and pepper. Transfer the onion jam to a small bowl and set aside.
  4. Lightly grease another baking sheet with cooking spray or line with parchment paper. Place the cheddar cheese on the sheet in two even piles. Bake in the oven until the cheese is melted in the middle and crispy at the edges, 5-7 minutes. Let cool on the sheet for about a minute, then transfer to a plate using a spatula to cool further.
  5. Meanwhile, wipe out the pan used for the onion jam and heat a drizzle of olive oil over medium-high heat. Season the beef patties all over with salt and pepper. Add to the pan and cook to your desired doneness, 3-6 minutes per side. While the patties cook, place the buns on the baking sheet that was used for the cheddar frico. Toast in the oven until golden, 3-4 minutes.
  6. Assemble the burgers: Place a beef patty on each bun bottom, then top with onion jam, tomato slices, ketchup and a cheddar frico. Close with the bun tops. Serve with the roasted broccoli on the side.

Recipe Tips

For extra crispy frico, make sure the cheese is spread thin and evenly on the baking sheet.

If you don’t have sherry vinegar, you can substitute with apple cider vinegar or red wine vinegar.

To prevent the burgers from shrinking too much, make a small indent in the center of each patty before cooking.

FAQ

Can I use a different type of cheese for the frico?

Yes, you can use other hard cheeses like Parmesan, Gruyère or Gouda. Just keep in mind that the flavor and melting properties may vary.

How do I store leftover onion jam?

Store the onion jam in an airtight container in the refrigerator for up to a week. It can also be used as a topping for sandwiches or grilled meats.

Can I make the frico ahead of time?

Yes, you can make the frico up to a day in advance. Store them in an airtight container at room temperature to keep them crispy.

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