Weekly Recipes

Caramelized Onions

Caramelized Rajas

Caramelized Onions make a perfect cookout topic for grilled burgers and hot dogs – spicy, flavorful, and succulent. Great by themselves or on any grilled meat.

Having friends over for a Memorial Day BBQ? These caramelized onions are an absolute must, perfect on hamburgers or hot dogs … or eat ’em by themselves. Just the right amount of spiciness and flavor. And easy to make! You might find this called “caramelized rajas” in Mexican cookbooks. “Rajas” means “slices” or “strips” and is typically referring to strips of poblano chiles; usually this dish is made with poblanos and, as a result, is milder. I’ll try using poblanos in this dish another day.

Note there’s no sugar in the recipe – onions contain their own natural sugar. And something to watch out for – 4 cups of onion slices cooks down into only 1 cup of caramelized onions. So if you’re having a cookout I’d at least double or triple the recipe.

I did serve this on a cheeseburger (where it was awesome), but I actually ate over half this recipe all by myself straight out of the bowl. So maybe you better quadruple the recipe!

Caramelized Onions
Prep time
Cook time
Total time
Serves: 1 cup
  • 2 tbsp extra-virgin olive oil
  • 2 medium white onions, cut into ¼ inch slices (about 4 cups)
  • ¾ tsp salt
  • 3 large cloves garlic, thinly sliced
  • 2 tbsp 505 diced green chiles (medium hot)
  • Freshly ground black pepper, to taste
  • Juice from ½ lime
  1. Heat a 12-inch skillet over medium heat, then add olive oil, onions, and salt (which helps the caramelization).
  2. Cook , stirring frequently, just until onions start to turn golden brown around the edges, then reduce heat to medium low.
  3. Keep cooking the onions, stirring frequently and making sure they don't scorch, until they are a deep golden brown.
  4. Add the garlic and chiles until the garlic is soft.
  5. Stir in pepper and lime juice and serve.


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