Pat cod dry, season both sides with salt & pepper.
Add cod to the hot pan, sear each side until browned. (2-4 minutes per side)
Transfer cod to a plate and reserve pan. Remove cod gently, it may stick to the pan.
In the pan used to cook cod, add 1 t. olive oil. Then add diced potatoes, celery, shallots & minced garlic to hot pan. Cook until tender. (1-2 minutes)
Add whitewine & water to the pan. Bring to a slow boil, then cover and simmer. (5 minutes)
Add heavywhippingcream, corn, YellowPeaFlakes, ¼ t. salt & ¼ t. pepper to pan. Return to boil and cook until slightly thickened. (2-3 minutes)