HelloFresharrow right iconarrow right iconRecipesarrow right iconarrow right iconMelty Mozzarella Burgers
Melty Mozzarella Burgers

Melty Mozzarella Burgers

with Caramelized Onion and Balsamic Greens on Ciabatta

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Burgers are about as all-American as you can get. But that doesn’t mean they don’t have dreams of voyaging to faraway places. These patties on ciabatta are what happens when cheeseburgers take a trip to Italy. Between the sweetness of the caramelized onion on top, the way the mozzarella melts into loose strands, and the tangy kick brought by balsamic vinegar dressing, you could say these burgers are loaded with dolce vita attitude.


Produced in a facility that processes eggs, milk, fish, peanuts, sesame, shellfish, soy, tree nuts, and wheat.

Total Time30 minutes
Cooking difficultyEasy
serving amount
Ingredientsarrow down iconarrow down icon
serving amount

1 unit

Red Onion

1 clove


½ tablespoon

Tomato Paste

3 teaspoon

Balsamic Vinegar

10 ounce

Ground Beef

½ cup

Mozzarella Cheese


2 unit

Ciabatta Bread

(ContainsSoy, Wheat)

4 ounce

Heirloom Grape Tomatoes

2 ounce

Mixed Greens

1 ounce

Dried Cranberries

Not included in your delivery

5 teaspoon

Olive Oil

1 teaspoon


Kosher Salt


Nutrition Values/ per serving
Nutrition Valuesarrow down iconarrow down icon
/ per serving
Energy (kJ)3138 kJ
Calories750 kcal
Fat37 g
Saturated Fat12 g
Carbohydrate66 g
Sugar19 g
Dietary Fiber4 g
Protein39 g
Cholesterol105 mg
Sodium780 mg
Due to the different suppliers we purchase our products from, nutritional facts per meal can vary from the website to what is received in the delivered box, depending on your region.
Utensilsarrow down iconarrow down icon
Large Pan
Large Bowl
Instructionsarrow up iconarrow up icon
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Wash and dry all produce. Preheat toaster oven or oven to 400 degrees. Halve, peel, and thinly slice onion. Heat a drizzle of olive oil in a large pan over medium heat. Add onion and 1 tsp sugar. Cook, tossing, until browned, 6-8 minutes. Season with salt and pepper. Remove from pan and set aside.


While onion cooks, mince or grate garlic until you have ½ tsp (you may have a clove left over). In a large bowl, whisk together ½ TBSP tomato paste, 1 TBSP vinegar, 1 TBSP olive oil, and as much minced garlic as you like (we sent more tomato paste and vinegar than needed). Season with salt and pepper.


Wipe out pan used for onion. Heat a drizzle of olive oil in it over medium-high heat. Shape beef into 2 patties slightly wider than the bread. Season with salt and pepper. Add to pan and cook until just shy of desired doneness, 2-4 minutes per side. Sprinkle mozzarella on top. Cover pan and cook until cheese melts, 1 minute more.


Split ciabattas in half. Toast in toaster oven or oven until golden, 3-5 minutes. Meanwhile, halve tomatoes lengthwise.


Add lettuce, tomatoes, and cranberries to bowl with vinaigrette and toss to combine. Season with salt and pepper.


Fill ciabattas with beef patties, onion, and a few leaves from salad. Divide between plates and serve with remaining salad on the side.