Preheat your oven to 375°F (190°C).
Slice the tops off the bell peppers and carefully remove the seeds and internal membranes.
In a large mixing bowl, stir together the cooked lentils, cooked quinoa, hemp hearts, nutritional yeast, and tomato sauce.
Season the filling mixture with garlic powder, onion powder, and a pinch of sea salt to taste.
Pack the lentil and quinoa mixture tightly into each bell pepper cavity.
Place the stuffed peppers upright in a baking dish and add two tablespoons of water to the bottom of the dish.
Cover the dish tightly with foil and bake for 30 minutes.
While the peppers roast, blend the raw cashews with two tablespoons of warm water until a smooth, velvety cream forms.
Remove the foil and bake for an additional 10 minutes until the peppers are tender and slightly charred on the edges.
Drizzle the fresh cashew cream over the peppers and garnish with chopped parsley before serving.