01 -
Thinly slice the onions using a sharp knife to ensure even cooking and proper texture development.
02 -
Heat olive oil in a large skillet over medium heat. Add sliced onions with a pinch of salt and stir to coat evenly.
03 -
Cook onions for 10 minutes, stirring occasionally, until they begin to soften and turn golden.
04 -
Reduce heat to low and continue cooking for 25-30 minutes, stirring frequently, until onions achieve deep golden-brown caramelization.
05 -
Stir in balsamic vinegar and brown sugar, combining well to deglaze the pan and lift flavorful bits from the bottom.
06 -
Add water and fresh thyme leaves, cooking for 5-10 minutes until jam thickens and flavors meld together.
07 -
Taste and adjust seasoning with salt and pepper as needed for balanced flavor profile.
08 -
Remove from heat and let cool slightly before transferring to airtight container for refrigerator storage.