Spinach & Mushroom Frittata

SPINACH & MUSHROOM FRITTATA 1 1/2 T extra virgin olive oil 4 C loosely packed fresh spinach leaves, rinsed, dried and cut into thin ribbons 1 C sliced crimini mushrooms or stemmed and sliced shiitake mushrooms 8 large organic, free range eggs Sea salt and freshly ground black pepper Slight dollop of heavy whipping cream [...]