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Prepare Your Ingredients

Start with 2 large onions, thinly sliced, and 3 tablespoons of butter. The key is to slice the onions uniformly for even cooking.

💡 Pro Tip

Use a sharp knife for clean cuts and try to keep the slices consistent in thickness.

Start Cooking

In a medium skillet over medium heat, melt the butter. Add the sliced onions and cook, stirring often, until they start to soften.

💡 Pro Tip

Don't rush this initial step - let the onions soften gradually.

Reduce Heat and Continue

Reduce heat to medium-low and continue to cook, stirring often, until the onions are deep golden and have a jam-like consistency. This takes 45 to 60 minutes.

💡 Pro Tip

Be patient! This is the most important step. If you see a lot of fond forming on the bottom, deglaze with a little water.

Finish and Serve

Your onions should be deeply caramelized, sweet, and jammy. They can be used immediately or stored in the refrigerator for up to a week.

💡 Pro Tip

Caramelized onions are perfect for French onion soup, burgers, pizza, or as a side dish.