Sausage Gumbo

Serves 8 people.

• 4 oz vegetable oil
• 4 oz flour
• 1 large yellow onion (chopped)
• 1 large green bell pepper (chopped)
• 2 ribs celery (chopped)
• 1/2 tsp garlic powder
• 1/2 tsp onion powder
• 1/2 tsp chili powder
• 1/4 tsp black pepper (freshly ground)
• 1/4 tsp Old Bay
• 1/4 tsp oregano (dried)
• 1/4 tsp basil (dried)
• 1 tsp salt
• 6 cups beef stock
• 1 lb smoked sausage
• 1 tsp gumbo filet powder