Take out stems of mushrooms and turn the caps over.
Baste both sides with the Cilantro & Roasted Onion Olive Oil.
Place on a lined baking sheet and cook at 400 degrees for 5 minutes.
In food processor, combine spinach, garlic, pecans and spices until a green paste forms.
Remove mushrooms from the oven and stuff with spinach mixture and bake again for 15 minutes.
Remove mushrooms and drizzle with the Traditional Balsamic Vinegar.