Remove mushroom stems and finely chop the stems. Set caps aside.
Spray a skillet liberally with Vegetable Cooking Spray and saute the mushroom stems, spinach and onion until tender. If it starts to stick to the pan, add a few droplets of water.
Remove from heat and drain so that no water remains on vegetables. Cool completely.
Put vegetables in bowl and add all the cheeses and mix well. Add in Ground Pepper and mix well.
Stuff vegetable mixture evenly into the 8 caps. Sprinkle Cayenne Pepper over caps if you are using it.
Place in a baking dish that has been sprayed with Vegetable Cooking Spray.
Bake uncovered in a 350 degree oven for 15 minutes or until lightly browned.
The entire recipe is 1 SmartPoint. If serving 4 people (2 Stuffed Mushrooms each), it is 0 SmartPoints per serving. If serving 2 People (4 Stuffed Mushrooms each), it is 1 SmartPoint.
Recipe by Dee Dee Does at https://deedeedoes.com/0-point-printable-weight-watchers-freestyle-recipes/