Lupin Free Classic Mirepoix
Mirepoix is one of those foundational kitchen preparations that quietly makes everything taste better — soups, stews, braises, and sauces all owe a serious debt to this humble trio of onion, carrot, and celery. The vegetables are cooked low and slow in unsalted butter until they're completely soft, pale, and fragrant, building a sweet, savory base without any browning. It's a technique that rewards patience, and the payoff is a deeply aromatic foundation that elevates whatever you add it to. For anyone navigating lupin sensitivities, this recipe is naturally worry-free — every ingredient is a whole, recognizable food with no legume-derived fillers or flour alternatives hiding in the mix. Lupin can sneak into all kinds of processed or pre-made flavor bases, so making your own from scratch is genuinely the safest and most satisfying route. A bay leaf adds a subtle herbal note while everything simmers, and the finished mirepoix keeps in the fridge for up to three days, so you can make a batch ahead and have a flavor-packed head start on the week's cooking.
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Learn more →Ingredients
4 servings
- 2 tbsp unsalted butter
- 1 large yellow onion (about 2 cups), cut into ¼-inch dice
- 2 medium carrots (about 1 cup), peeled and cut into ¼-inch dice
- 2 stalks celery (about 1 cup), cut into ¼-inch dice
- ¼ tsp kosher salt
- 1 bay leaf (optional)
Instructions
- 1
Melt the butter in a large skillet or saucepan over medium-low heat until foamy and just beginning to subside.
- 2
Add the onion, carrots, celery, and salt, then stir to coat everything in the butter. Add the bay leaf, if using.
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