June 30, 2026 · 35 min

Ultimate Cheeseburgers with Balsamic Onion Jam and Crispy Zucchini

Side Dish35 min946 cal / serving

There are countless burger recipes out there, but this one truly stands out. Imagine a juicy beef patty crowned with oozy, melted Monterey Jack cheese and a sweet-tangy balsamic onion jam. It’s a combination that hits all the right notes.

But we didn’t stop there. Alongside these irresistible burgers, we’re serving up crispy panko-crusted zucchini wedges. They’re the perfect crunchy side that adds a dose of veggies to your meal. Get ready for a burger experience that’s both indulgent and satisfying.


Recipe details

Side Dish35 min946 cal / serving4 servings

Nutrition per serving

Calories946 kcalProtein39.9 gFat57.7 gCarbs61.2 gSugar19.1 gFiber4.1 gSodium1309 mg

Dietary labels

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

Allergen check

Gluten / wheat: containsMilk / dairy: containsEgg: containsFish: not detectedShellfish: not detectedPeanut: not detectedTree nuts: not detectedSoy: containsSesame: 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

Garlic0.5 teaspoon GarlicView ingredient guide
Red Onion1 unit Red OnionView ingredient guide
Zucchini2 unit ZucchiniView ingredient guide
Mayonnaise3 tablespoon MayonnaiseView ingredient guide
Balsamic Vinegar5 teaspoon Balsamic VinegarView ingredient guide
Panko Breadcrumbs0.5 cup Panko BreadcrumbsView ingredient guide
Dried Oregano2 teaspoon Dried OreganoView ingredient guide
Ground Beef20 ounce Ground BeefView ingredient guide
Monterey Jack Cheese1 cup Monterey Jack CheeseView ingredient guide
Potato Buns4 unit Potato BunsView ingredient guide
Ketchup4 tablespoon KetchupView ingredient guide
Vegetable Oil5 teaspoon Vegetable OilView ingredient guide
Sugar2 teaspoon SugarView ingredient guide
SaltSaltView ingredient guide
PepperPepperView ingredient guide

Instructions

  1. Preheat oven to 450°F and adjust rack to upper position. Mince or grate garlic to get ½ teaspoon. Halve, peel and thinly slice the red onion. Cut zucchini into 3-inch sections, then halve each piece lengthwise and cut into thin wedges.
  2. In a small bowl, mix 3 tablespoons mayonnaise with the minced garlic. Season with salt and pepper to taste. Set aside.
  3. Heat a drizzle of vegetable oil in a large pan over medium heat. Add sliced onion and cook, tossing occasionally, until browned, about 8-10 minutes. Stir in balsamic vinegar and 2 teaspoons sugar. Continue cooking until syrupy, 1-2 minutes. Season with salt and pepper. Transfer onion jam to a small bowl and set aside. Wipe out the pan.
  4. In a medium bowl, toss zucchini wedges with 1 tablespoon of the garlic aioli until evenly coated. Add panko breadcrumbs, dried oregano and a pinch of salt and pepper. Toss until crumbs stick to the zucchini (it’s okay if not all stick). Spread on a lightly oiled baking sheet. Bake until panko is golden brown, about 15 minutes, tossing halfway through.
  5. Heat another drizzle of oil in the same pan over medium-high heat. Shape ground beef into 4 patties, slightly wider than the buns. Season with salt and pepper. Cook patties until almost desired doneness, 3-5 minutes per side. Sprinkle evenly with Monterey Jack cheese. Cover the pan and cook until cheese melts, about 1 minute.
  6. While patties cook, split potato buns in half and place on a baking sheet. Toast in the oven until golden, about 3 minutes. Spread ketchup and remaining garlic aioli on the buns. Assemble burgers with patties and onion jam. Serve with crispy zucchini on the side.

Recipe Tips

For the crispiest zucchini, make sure the wedges are evenly coated with the aioli and breadcrumbs. Don’t worry if some crumbs fall off during baking.

When making the onion jam, be patient and let the onions caramelize fully for the best sweet and tangy flavor.

Use a meat thermometer to ensure the patties are cooked to your preferred doneness (160°F for medium).

FAQ

Can I use a different type of cheese?

Yes, you can substitute Monterey Jack with provolone, mozzarella or cheddar for a different flavor.

Can I make the onion jam ahead of time?

Absolutely! The onion jam can be made up to 3 days in advance and stored in the refrigerator. Reheat before serving.

How do I make the zucchini extra crispy?

Ensure the zucchini is well-coated with the aioli and breadcrumbs and spread them in a single layer on the baking sheet. Avoid overcrowding for maximum crispiness.

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