Ingredients: 1 1/2 pound baby bella or cremini mushrooms, sliced 2 (10-oz) bags of frozen chopped spinach, thawed and squeezed of excess moisture in clean towel or cheesecloth 1 cup diced onions 1/4 cup extra virgin olive oil 36 oz tomato sauce (homemade would be great but I typically just use a good jarred marinara)…