Mushroom and Shallot Filling

Ingredients

• 2 tablespoons extra-virgin olive oil
• 2 shallots
• thinly sliced
• 1 pound white button mushrooms
• quartered
• Coarse salt and freshly ground pepper

Instructions

1. Heat oil in a large skillet over high.
2. Cook shallots, stirring constantly, until translucent, about 1 minute.
3. Add mushrooms and season with salt and pepper.
4. Cook, stirring frequently, until mushrooms are dark golden brown, 8 to 10 minutes.
5. (Mushrooms will release liquid at first; cook until it has evaporated, adjusting heat as necessary.)
6. Transfer to a bowl, and let cool slightly.