Mahi Mahi (or other thick fish fillets)

Martha's here! She appreciates that fresh ocean fish, so here's what we made.


butter
1 small onion, thinly sliced
2 tablespoons dry white wine
1-2 cloves garlic, chopped
1 cup (1/2 can) canned diced tomatoes
1/8 tsp dried oregano
1/8 tsp paprika
1/4 tsp freshly grated orange zest
8 ounces thick-cut mahi-mahi

Preheat oven to 450.
In a cast iron skillet, heat on stovetop to medium heat and add butter and onion. Saute until tender.
Add wine and garlic and stir for a couple of minutes.
Add tomatoes, spices, and zest and stir to combine.
Add fish and pop in oven for 30 minutes.