Cooking 101: How To Cook Grilled Onions

I know not everyone is a fan of onions. They can be quite sharp in taste and for those with a more sensitive palate, onions can taste a bit over powering. I personally adore the flavor onions bring to the party! Most of the meals I cook start with sautéing some diced onions in butter or olive oil. I love the sharp bite from raw onions and I also enjoy the flavor sautéed onions impart to a dish. I can’t imagine my favorite dishes without them. If you’re not a huge fan of onions, grilled onions may just win you over to the onion loving side of the house. The trick is cooking them low and slow until they caramelize into a rich deep golden brown that produces a savory, naturally sweet, mild delectableness that’s awfully hard to resist!

Burgers are oh so much better when you top them with sweet grilled onions!
Jump to Recipe

One of the best things about this delectable condiment is that there are no exotic or costly ingredients needed to make them. Basic, inexpensive yellow onions work best for making grilled onions.

Start by peeling and slicing onions into thin slices.

Melt 4 tablespoons butter in a large heavy bottomed skillet over medium-low heat.

Add the sliced onions and dried thyme to the skillet.

Stir to coat onions with the butter and thyme.

These will cook way down in volume.

Cook onions over medium-low heat, stirring often until onions begin to brown.  Don’t rush this process. Cooking the onions low and slow will produce the best results. Keep the heat low to prevent onions from burning as they cook.

After about 10 minutes, add a couple tablespoons water to prevent onions from sticking and burning.

Continue cooking onions, adding a couple tablespoons of water every 5 to 10 minutes if mixture gets dry, until onions turn a deep golden brown.

Almost there but not quite.

Keep cooking the onions until they are caramelized to a deep golden brown (this will take about 40-45 minutes). Just keep an eye on them as they cook, stirring them often to prevent them from burning and adding a couple of tablespoons of water every few minutes if mixture seems dry.

Almost there…

When onions are a deep brown and have caramelized, add a tablespoon of balsamic vinegar to the pan and stir to combine. 

Continue cooking for another 2-3 minutes until the liquid has cooked off.

Season with a little salt to taste.

Use grilled onions to top a grilled steak, your favorite burgers, French dip sandwiches, or a Patty Melt. Pretty much everything tastes better with a generous heaping of sweet grilled onions!

Every diner across America has a Patty Melt on the menu. Savory, cheesy, beefy, loaded with grilled onions; everything that makes this a classic favorite sandwich. Learn how easy it is to cook one up at home.

A Patty Melt is always topped with a generous heap of grilled onions.

Use them to make a bowl of this perennial favorite, French Onion Soup. Grilled onions and gooey melted cheese makes this soup a classic favorite! This is one of my personal all time favorite soups! I can never pass up a bowl.

No matter what you top with these delectable grilled onions; their savory, natural sweetness makes everything they touch taste oh so much better! Now that you know how to make them you can cook some up anytime you choose.

Cooking 101: Grilled Onions

Barbara
Cooking onions low and slow in butter until they caramelize into a rich deep golden brown produces a savory, naturally sweet, mild delectableness that's awfully hard to resist!
Prep Time 5 minutes
Cook Time 40 minutes
Total Time 45 minutes
Course Condiment, Side Dish
Cuisine American
Servings 2 cups

Equipment

  • large skillet

Ingredients
  

  • 4 large yellow onions, sliced
  • 4 tbsp butter
  • ½ cup water
  • ½ tsp salt
  • ¼ tsp dried thyme
  • 1 tbsp balsamic vinegar

Instructions
 

  • Peel and slice onions into thin slices.
  • Melt 4 tablespoons butter in a large heavy bottomed skillet over medium-low heat.
  • Add onions and thyme to the skillet. Stir to coat onions with the butter.
  • Cook onions over medium-low heat, stirring often until onions begin to brown.
  • After about 10 minutes, add a couple tablespoons water to prevent onions from sticking and burning.
  • Continue cooking onions, adding water when mixture seems dry, until onions turn a deep golden brown.
  • When onions are caramelized to a deep golden brown, add a tablespoon of balsamic vinegar.
  • Continue cooking for another 2-3 minutes until liquid has cooked off.
  • Season with salt to taste.
  • Serve with your favorite burgers, sandwiches or on a Patty Melt.
Keyword butter, grilled onions

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