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Cheesy Smashed Burgers

Cheesy Smashed Burgers

with Caramelized Onion, Old Bay Fries, Corn & Asparagus
Recipe Development Team
Recipe Development TeamUpdated on July 01, 2026
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Get Free Breakfast for Life + 10 Free Meals
Calories
1210 kcal
Protein
50g protein
Total
35 minutes
Difficulty
Medium
Allergens:
  • Milk
  • Eggs
  • Soy
  • Wheat
Produced in a facility that processes eggs, milk, fish, peanuts, sesame, shellfish, soy, tree nuts, and wheat.
Serving amount

12 ounce

Potatoes

1 unit

Onion

½ cup

White Cheddar Cheese

(Contains: Milk)

6 ounce

Asparagus

10 ounce

Ground Beef

2 unit

Corn on the Cob

1 tablespoon

Old Bay Seasoning

1 unit

Ketchup

2 tablespoon

Mayonnaise

(Contains: Eggs)

2 unit

Potato Buns

(Contains: Soy, Wheat)

2 teaspoon

Dijon Mustard

Not included in your delivery

teaspoon (tsp)

Salt

1 teaspoon (tsp)

Sugar

4 teaspoon (tsp)

Cooking Oil

teaspoon (tsp)

Black Pepper

per serving
Calories1210 kcal
Fat57 g
Saturated Fat18 g
Carbohydrate122 g
Sugar23 g
Dietary Fiber11 g
Protein50 g
Cholesterol140 mg
Sodium1810 mg
Trans Fat1.5 g
Potassium1550 mg
Calcium260 mg
Iron9.1 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.
Baking Sheet
Large Pan
Small Bowl
Paper Towel

Cooking Steps

Prep
1
  • Adjust rack to top position and preheat oven to 425 degrees. Wash and dry produce.

  • Cut potatoes into ½-inch-thick wedges. Halve, peel, and thinly slice onion.

Roast Potatoes
2
  • Toss potatoes on a baking sheet with a drizzle of oil and half the Old Bay Seasoning (you’ll use more later). Season lightly with salt and pepper. TIP: No need to season generously—there’s already salt and pepper in the seasoning!

  • Roast on top rack until browned and crispy, 20-25 minutes.

Caramelize Onion
3
  • While potatoes roast, heat a large drizzle of oil in a large, preferably nonstick, pan over medium-high heat. Add onion; cook, stirring occasionally, until browned and softened, 8-10 minutes.

  • Add 1 tsp sugar (2 tsp for 4 servings) and a splash of water; cook until onion is caramelized and jammy, 2-3 minutes more. Season with salt and pepper.

  • Turn off heat; transfer to a small bowl.

Make Sauce & Form Beef
4
  • Meanwhile, in a second small bowl, combine mayonnaise, ketchup, mustard, and as much remaining Old Bay Seasoning as you like. Set aside.

  • Form beef* into two equal-size balls (four balls for 4 servings); season all over with salt and pepper.

Cook Patties
5
  • Heat a drizzle of oil in pan used for onion over medium-high heat. Once pan is hot, add beef. Firmly flatten each ball with a spatula to create very thin patties. (TIP: Do so carefully; oil may splatter a bit.) Cook to desired doneness, 3-4 minutes per side. (Don’t worry if the patties aren’t perfectly round—those irregular edges will turn crispy.)

  • In the last 1-2 minutes of cooking, top patties with cheddar; cover pan to melt cheese. Remove from heat.

  • While burgers cook, halve corn crosswise (skip if pre-halved). Wrap corn in damp paper towels. Microwave until kernels have softened and corn is cooked through, 3-4 minutes. Let rest for 1 minute.

Finish & Serve
6
  • While patties cook, halve corn crosswise (skip if pre-halved). Wrap corn in damp paper towels. Microwave until kernels are tender and corn is cooked through, 3-4 minutes. Let rest for 1 minute.

  • Halve and toast buns.

  • Divide buns between plates and fill with patties, caramelized onion, and half the special sauce. Serve burgers with Old Bay fries and corn on the side, along with remaining special sauce for dipping.