1. Preheat oven to 425°F.
2. Cook and stir sausage and chili powder in a large skillet over medium heat for 6-8 minutes or until sausage is hot.
3. Spoon sausage over crust. Top with black beans, bell pepper, tomato, olives, and green onion; sprinkle with cheese.
4. Bake for10-12 minutes or until crust is crispy and cheese is lightly browned. Cut each pizza into 8 slices. Serve with lettuce and sour cream, if desired.
8 servings (2 slices each)