Braised Red Onions

Three ingredients. That’s all it takes. Red onions sliced thin, a knob of butter, and salt and pepper go into a heavy pot over gentle heat until the onions turn translucent, then silky, then completely surrendered.

The low, slow simmer is everything here. Twenty minutes covered on barely-there heat lets the onions release their natural sugars without browning. You’re not caramelizing them (that’s a different technique with higher heat). You’re coaxing out sweetness through patience, and the result is softer, more delicate, almost jammy.

Use a heavy-based pot or Dutch oven. Thin pans create hot spots that scorch the onions before they have time to break down properly. The weight of the pot distributes heat evenly and traps steam inside, which does half the cooking work for you.

These go with just about anything: roast beef, grilled sausages, a cheese board, or piled on top of a burger.

Chef Tips

• Slice onions as uniformly thin as possible so they cook at the same rate
• Keep the heat genuinely low. If you hear sizzling, turn it down. You want a quiet, gentle simmer
• Don’t lift the lid during the 20-minute braise. The trapped steam helps the onions cook evenly
• A splash of balsamic vinegar stirred in at the end adds a nice tang if you want more complexity

Variations

• Add a sprig of fresh thyme or rosemary during the braise for an herby note
• Deglaze the pot with a splash of red wine before covering for deeper flavor
• Use a mix of red and yellow onions for a sweeter, milder result