01 -
In a large sauté pan (large enough for mushrooms to fit in a single layer), heat olive oil over medium-high heat.
02 -
When pan is hot, add mushrooms and season with salt and pepper. Quickly toss to coat mushrooms with the oil and spread them into a single layer.
03 -
Cook for four minutes on medium-high heat without stirring. Stir once, trying to flip to brown both sides; cook for 2 more minutes without stirring.
04 -
Reduce heat to medium-low and add butter and garlic. Cook for 3-4 more minutes, stirring frequently, until mushrooms are fully cooked, butter is melted, and garlic is fragrant.
05 -
Remove from heat, stir in parsley and serve immediately.