Source: dLife

White mushrooms stuffed with sauteed onion, garlic, spinach, and walnuts.

Servings

1 tbsp olive oil
1 cup fresh chopped onion
0.5 cup fresh mushrooms , finely chopped (shiitake recommended)
2 medium garlic cloves , minced
1 pinch kosher salt
1 pinch black pepper , freshly ground
1 cup fresh chopped spinach , finely chopped (drained)
0.5 cup chopped walnuts , ground
16 button mushrooms , stemmed and left whole

1 Preheat the oven to 350 degrees F.
2 In a large skillet, heat the oil, then add the onions, shiitake mushrooms, garlic, salt, and pepper and cook for 10 minutes, stirring frequently.
3 Add the spinach and cook for about 5 minutes. Remove the mixture from the heat, add walnuts, and chop again.
4 Stuff the white mushrooms with the mixture and bake for 10 minutes.