How to Make Crustless Caramelized Onions And Cheese (Step-by-Step)

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Today, I’m excited to share a delightful recipe for easy caramelized onions, enriched with a splash of balsamic vinegar. These sweet, savory onions can elevate any dish, from burgers to pasta, and they’re simple to make. Let’s get started!

Easy Caramelized Onions

Caramelized onions have a rich, deep flavor that complements a variety of meals. When you take your time to cook them low and slow, they transform from sharp and crunchy to soft and sweet. This recipe pairs them with balsamic vinegar for an extra layer of richness.

Easy Caramelized Onions (with Balsamic)

Ingredients

  • 3 large onions (yellow or sweet varieties work best)
  • 2 tablespoons olive oil
  • 1 tablespoon unsalted butter
  • 1 teaspoon salt
  • 1 teaspoon sugar (optional, enhances sweetness)
  • 3 tablespoons balsamic vinegar
  • Freshly ground black pepper to taste

Instructions

  1. Begin by peeling the onions and slicing them thinly. Aim for even slices to ensure they cook uniformly.
  2. In a large skillet, heat the olive oil and butter over medium heat. Once melted, add the sliced onions.
  3. Stir the onions occasionally and add the salt and sugar (if using). The salt helps draw out moisture, while the sugar enhances caramelization.
  4. Continue cooking the onions for about 20 to 30 minutes, stirring frequently. If they start to stick to the skillet or burn, lower the heat and add a splash of water to deglaze the pan.
  5. Once the onions have turned a beautiful golden brown and are wonderfully soft, stir in the balsamic vinegar. Cook for an additional 5 minutes to let the vinegar reduce and integrate into the onions.
  6. Season with freshly ground black pepper to taste. Remove from heat and let cool slightly.
  7. Use your caramelized onions immediately, or store them in an airtight container in the refrigerator for up to a week.

Caramelized onions are incredibly versatile. You can add them to a variety of dishes—mix them into mashed potatoes, layer them on a sandwich, or serve them atop grilled meats. Their rich flavor will bring your meals to the next level and impress anyone you share them with! Enjoy your homemade caramelized onions, and savor the wonderful flavors!