Rinse Zucchini, cut ends off and cut in half and hollow out insides with spoon. Place in casserole dish and drizzle inside with olive oil and salt & pepper to taste.
Meanwhile chop onion, garlic, bell pepper, and mushrooms and place in saute pan over medium high heat with 1 tbsp. olive oil, ½ tsp. garlic powder and salt & pepper to taste. Cook 8-10 minutes until translucent. Remove from heat and set aside.
In medium mixing bowl combine cream cheese, yogurt, fresh parsley, garlic powder and combine well.
Evenly spread thin layer of cream cheese mixture in each Zucchini boat, then top with mushroom mixture and sprinkle evenly with grated pepper jack cheese
optional: sprinkle with dash of red chili pepper flakes
Cover and bake in preheated oven 30 minutes. Then remove cover and bake an additional 5-10 minutes till slightly browned.
Notes
you can easily double the recipe if you need more or adjust the amount of stuffing you put in them. I just like mine really loaded. * Or Monterey Jack cheese