Savory Sweet Potato Soup

Submitted by Arminda Perch 1 Tbsp. olive oil 1 medium onion, chopped 2 tsp. cayenne 1 cup canned vegetable or vegetarian chicken broth 1 1/2 cup sweet potatos, peeled, cut into 3/4-inch cubes 1 16 oz. can Mexican-style stewed tomatoes 1 15 oz. can pinto beans, drained 1/2 tsp. garlic powder 1/2 tsp. oregano salt…