Can you substitute celery for green pepper?
10. Green Bell Pepper. Green bell pepper, with its somewhat mild flavor is a staple ingredient in the Cajuns cookings Holy Trinity along with onion and celery. You can easily swap green pepper for celery in a Mirepoix making the mix onion, carrot and green pepper
Can I use paprika instead of bell pepper?
Yes you can however paprika is a mixture of different types of bell peppers sweet pepper and chili peppers. It wouldnt taste the same as plain bell pepper powder.