Seed Oil Free Classic Mirepoix
The foundation of so many great dishes starts right here — a slow, gentle cook of onion, carrot, and celery in real unsalted butter until everything turns soft, sweet, and deeply fragrant. No shortcuts, no substitutions, just three humble vegetables doing exactly what they were meant to do. Cooking with butter instead of refined vegetable or seed oils keeps this entirely free of the industrially processed fats that sneak into so many savory recipes, and the flavor payoff is noticeably richer for it. The key is patience at medium-low heat, stirring every few minutes so the vegetables soften and sweeten without browning — you're building a flavor base, not a sauté. A bay leaf adds a quiet herbal note in the background, though the mirepoix is beautiful either way. Once it's done, you can use it immediately to anchor a soup, stew, braise, or sauce, or stash it in the fridge for a few days of effortless weeknight cooking. It's one of those foundational recipes that quietly makes everything else you cook taste better.
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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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