Heat oven to 375 degrees. Clean and pat dry sweet potatoes. Wrap in foil. Bake in preheated oven for 3040 minutes or until soft.
In a small bowl, combine seasoning mix ingredients.
Heat oil over medium heat in a large pan. Add peppers and onion. Saute for 45 minutes. Stir in seasoning and cook for an additional 5 minutes or until vegetables are softened.
Slice open potatoes and stuff with vegetables. Top with shredded cheese, sour cream and green onions.