Sauté an onion in olive oil (or butter) 
Add chicken stock. 
Toss in some diced Yukon gold potatoes and bring to a boil, 
simmer until the potatoes are mostly done. 
Salt to taste and add any herbs 
Add a prepackaged frozen mix of corn, black beans, and peppers (green and red bell). 
Bring back to a simmer, then add the fish. At the end, add cream or milk if you want any. 
For spice, you can add any fresh chile peppers you want, or powdered dry chile peppers.
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