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Grilled Hamburger with Caramelized Onions and Grilled Pineapple

Grilled Hamburger with Caramelized Onions and Grilled Pineapple

Juicy grilled hamburger with caramelized onions, grilled pineapple, topped with melted cheddar cheese, tomato slices and red onion. 

Course Main Course
Cuisine American
Prep Time 30 minutes
Cook Time 30 minutes
Total Time 1 hour
Servings 4 servings
Calories 814 kcal
Author Julia

Ingredients

Caramelized onions:

  • 1 tablespoon olive oil
  • 3 onions , medium or large, sliced
  • pinch of salt
  • 1 tablespoon balsamic vinegar

Burger patties:

  • 1 pound ground beef 80% lean
  • salt and pepper
  • 2 tablespoons vegetable oil
  • 4 slices cheddar cheese

Grilled pineapple:

  • 8 slices pineapple or pineapple rings
  • 1 tablespoon olive oil
  • 2 tablespoons honey

Other fixings:

  • 4 hamburger buns , toasted and warmed
  • 1 cup lettuce
  • 2 tomatoes , sliced
  • 1/2 red onion , sliced

Instructions

How to caramelize onions:

  1. First, we need to caramelize the onions, prior to grilling the burgers and the pineapple. Heat 1 tablespoon olive oil on high heat in a large skillet, when oil is heated, add sliced onions and cook on high heat for about 10 minutes, constantly stirring with spatula. The onions should start to brown, but without burning (a couple of onions may be burnt here and there, but overall they should not be charred). 

  2. Reduce heat to medium and continue cooking onions for 10 more minutes, continuing to stir, as onions brown even more without burning. At this point add just a pinch of salt over onions. 

  3. Continue cooking for 10 more minutes on medium or low heat, stirring occasionally to make sure onions don’t stick to the bottom of the pan or burn. 

  4. Total you should have cooked onions for 30 minutes. Remove from heat and sprinkle onions with a small amount of balsamic vinegar to deglaze the pan. Using spatula, mix the onions, scraping the bottom of the pan and coating onions with a pinch of balsamic vinegar you just added.

How to grill hamburgers:

  1. Make 4 equal hamburger patties out of ground beef. Season both sides of each patty with salt and pepper. Because the ground beef has been refrigerated before you formed the patties, allow the burgers rest at room temperature, for about 20 minutes, while the grill heats up.
  2. Heat a gas grill to high heat, about 450 degrees Fahrenheit.
  3. Brush both sides of each hamburger patty with vegetable oil (otherwise, they will stick to the grill). Grill hamburger patties for about 3 minutes on the first side. 

  4. Flip them over, and cook the other side of each hamburger patty for 4 minutes for medium-rare burgers or 6 minutes for well-done burgers. 

  5. In the last minute of cooking, arrange a slice or two of cheddar cheese on top of each hamburger patty to melt.

How to grill pineapple:

  1. In a microwave, melt honey just a little bit, add 1 tablespoon of olive oil and combine – in a medium bowl. Add pineapple slices (or rings) to the bowl and stir to coat the pineapple slices.
  2. At the same time you’re grilling hamburgers, place pineapple on the grill and cook for about 3 or 4 minutes on each side. Remove from the grill and keep warm.

Assemble burgers:

  1. Arrange lettuce on the bottom of each bun. 

  2. Place grilled hamburger patties (covered with melted cheddar cheese) on top of lettuce. 

  3. Top each burger with caramelized onions, then tomato slices, and red onion slices. 

  4. Finally, add grilled pineapple slice(s). 

  5. Close with the top bun, if desired, or serve these as open-faced hamburgers.

Nutrition Facts
Grilled Hamburger with Caramelized Onions and Grilled Pineapple
Amount Per Serving
Calories 814 Calories from Fat 432
% Daily Value*
Fat 48g74%
Saturated Fat 21g131%
Cholesterol 109mg36%
Sodium 476mg21%
Potassium 883mg25%
Carbohydrates 65g22%
Fiber 5g21%
Sugar 34g38%
Protein 33g66%
Vitamin A 980IU20%
Vitamin C 96.9mg117%
Calcium 350mg35%
Iron 4.8mg27%
* Percent Daily Values are based on a 2000 calorie diet.