Preheat oven to 400ºF and spray a baking sheet with nonstick cooking spray.
Prepare vegetarian ground beef by heating a large pan to medium heat. Add meat, chili powder, ground cumin, garlic powder, maple syrup, green chilis and salt and sauté for a few minutes.
Prepare your mini bell pepper “chips” by cutting the tops off. Cut each pepper in half and hollow out the inside.
Stuff each pepper with vegetarian meat mixture. Sprinkle on white onion and cheese and bake at 400ºF for 10 minutes.
In a blender, combine ingredients for Avocado Crema. Note: The more water you add, the thinner it will become (based on your preference).
Serve pepper nachos on a platter with fresh cilantro and Avocado Crema.