Preheat oven to 400° F.
Spray pepper halves with oil and season with salt and cayenne pepper. place peppers on baking sheet and bake for 15 minutes, until softened a little.
Heat olive oil in pan, and sauté onion, carrot, celery, pumpkin seeds, garlic, cumin, chili powder for 3-4 minutes, until vegetables are softened and browned. Add cooked quinoa, oregano, and basil to vegetables, and continue to sauté for 1 more minute. Salt to taste.
Fill each pepper half with even amounts of filling, and place in a lightly oiled casserole dish. Add 1/2 cup water to pan. Cover with foil and bake for 20-25 minutes.
Source: Tracy Bechtel Wellness