Tree Nut Free Caramelized Onion Jam
Sweet, deeply savory, and impossibly rich, this caramelized onion jam is the kind of condiment that makes everything it touches taste more special. The magic here is patience — a slow, steady cook coaxes all the natural sugars out of the onions until they collapse into something silky and amber-dark, with honey and apple cider vinegar adding just the right balance of sweet and tangy. Fresh thyme ties it all together with a subtle herbal note that keeps the flavor from tipping too sweet. Every single ingredient in this recipe is naturally free of tree nuts, so there's no label-scanning or substitution stress involved — just straightforward, wholesome cooking. Spread it over a cheese board, pile it onto a burger, or stir it into a grilled cheese for an instant upgrade. It stores beautifully in the fridge, which means you can make a batch on the weekend and reach for it all week long.
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Learn more →Ingredients
8 servings
- 2 tbsp unsalted butter
- 2 lb yellow onions (about 4 medium), thinly sliced
- ½ tsp fine sea salt
- 2 tbsp honey
- 2 tbsp apple cider vinegar
- 1 tsp fresh thyme leaves
- 2 tbsp water, plus more as needed
Instructions
- 1
Melt the butter in a large heavy-bottomed skillet over medium heat until foamy and just beginning to subside.
- 2
Add the sliced onions and salt, tossing to coat. Cook over medium heat, stirring every 3–4 minutes, until the onions have fully wilted and turned pale gold, about 20 minutes. If the onions begin to stick or brown unevenly before they have softened, add 1 tbsp of water and scrape up any fond.
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