Ingredient substitution guide
Best substitutes for tilapia fillets
Best swap for tilapia fillets: Cod fillets, 1:1; slightly firmer, same mild flavor.
How we checked this: these swaps come from the substitution list Well Stockd uses to match recipes, and their ratios follow ordinary kitchen practice rather than one published chart. For exact amounts on many common swaps, see the NDSU and Colorado State University extension tables listed below. Editorial policy

What can I use instead of Tilapia Fillets?
The best swap for Tilapia Fillets is Cod Fillets, 1:1; slightly firmer, same mild flavor. Another option is Catfish Fillets, 1:1; earthier flavor, similar texture. The table below also lists Basa Fillets, Flounder Fillets and Haddock Fillets, 5 swaps in all.
| Swap | Ratio and notes |
|---|---|
| Cod fillets | 1:1; slightly firmer, same mild flavor |
| Catfish fillets | 1:1; earthier flavor, similar texture |
| Basa fillets | 1:1; very similar mild flavor and soft flake, often sold as swai |
| Flounder fillets | 1:1 by weight; much thinner, so cut the cook time by about a third |
| Haddock fillets | 1:1; firmer flake, mild enough to take the same seasoning |
Source and limits
These swaps come from the substitution list Well Stockd uses to match recipes to your kitchen, last updated . We remove swaps known to be unsafe, but not every swap has been tested in a kitchen, and a swap is cooking guidance, not an allergen or nutrition equivalent. Check labels and what the recipe needs before substituting.
The ratios and usage notes follow ordinary kitchen practice rather than a single published chart. These two university extension tables list exact amounts for many common swaps:
- Ingredient Substitutions (FN198), NDSU Extension (opens in a new tab)
- Ingredient Substitutions (9.329), Colorado State University Extension (opens in a new tab)
Browse every ingredient and read how these swaps are sourced.