Harvestcraft added many new Meats and fish to the world that can be obtained through using a fishing rod in water or the Water Trap and Fish Bait and then cooked in a furnace to produce Cooked Fish.
In Version 1.7.10 the Oven is available to replace the Furnace
In 1.10 Cooked Tofish was added as a meat substitute to Raw Fish.
In 1.7.10 Firm Tofu can substitute for Cooked Fish
Uses
Furnace
Raw Fish OR Raw Tofish can be smelted in a furnace to create Cooked Fish
EXCEPT! Calimari, Clam, Crab, Crayfish, Frog, Octopus, Scallop, Shrimp, Snail, and Turtle which become individual cooked items like Cooked Calamari, Cooked Clam, etc.
These items CANNOT be used to craft recipies.
Jellyfish are simply put into a crafting grid to yield slime balls.
Crafting
Cooked Fish can be combined with other ingredients to create: