In a large stock pot, combine flour and oil with a whisk.
Cook on low-medium heat stirring constantly for 30-45 minutes.
Slice Andouille sausage into coin shaped pieces. In a separate skillet, lightly brown the sausage slices using medium heat.
In the stockpot with the roux, add in chicken broth, chopped peppers, onions, celery, parsley and garlic, stir well.
Bring this mixture to a boil over medium heat and continue to boil for 8-10 minutes or until vegetables are slightly tender.
Slowly incorporate the creole seasoning, salt and pepper to the stockpot.
Finally, add in the cooked sausage slices, pasta sauce, diced tomatoes, okra and corn. Pour liquid from can into the pot as well.
As the gumbo cooks for a final 15 minutes use this time to prepare rice per box instructions.