Trim off any tough or dirty base
Brush off debris or wipe gently with a damp cloth
Tear or slice into thick pieces
Heat a skillet over medium heat
Add butter or oil
Cook the mushroom pieces in a single layer
Let them brown without moving too much
Flip and cook until golden on both sides
Season with salt and pepper
Add garlic, herbs, or soy sauce if desired
Cook until tender and lightly crisp
Serve immediately