Masarepa Substitutes for Arepas: What Is Actually Equivalent?
The closest replacement for masarepa is another plain precooked cornmeal intended for arepas.

The closest replacement for masarepa is another plain precooked cornmeal intended for arepas. You may already have an equivalent product under a different brand name. P.A.N., for example, describes a range of precooked cornmeals for arepas; masarepa is not the only wording worth looking for.
Ordinary cornmeal, cornstarch and masa harina are different purchases. None becomes equivalent merely because the label begins with corn.
Start with the same category
| Available ingredient | Sensible next step |
|---|---|
| Another brand of plain precooked arepa cornmeal | Use that brand's arepa method and water guidance |
| White instead of yellow precooked arepa cornmeal | Choose a recipe allowing that variety; expect a change in colour and corn character |
| A seasoned or sweet arepa mix | Check the ingredients and follow its instructions rather than treating it as plain flour |
| Masa harina | Make a dish developed for masa harina; do not assume an identical arepa dough |
| Ordinary cornmeal or polenta | Choose a recipe specifically developed around that product |
| Cornstarch | Keep it for starch uses, rather than attempting an arepa dough |
Are P.A.N. and masarepa the same thing?
P.A.N. is a brand with multiple products. Goya uses masarepa for its precooked cornmeal. The useful comparison is therefore the exact product, not the two words alone. Plain precooked white cornmeal for arepas is a much closer match than a sweet mix from the same brand.
A change of brand is also a reason to check hydration. P.A.N.'s published Venezuelan arepa recipe gives its own flour, water and resting method. Follow a coherent method for the flour you buy rather than combining one bag's flour quantity with another source's water quantity.
What if you only have ordinary cornmeal?
It is not simply uncooked masarepa waiting for extra water. You would need a method that processes that cornmeal appropriately and is developed for its grind. Finding such a recipe is a change of method, rather than a one-line substitution.
Arepas also include regional preparations made from fresh or cooked corn. Those traditions offer other routes, but they do not establish that plain cornmeal can replace precooked flour cup for cup in your current recipe.
A better last-minute decision
If the filling is ready and the flour is wrong, serve it with a suitable accompaniment you can make reliably. Buy the correct arepa flour for the next attempt. A plate of well-cooked food is more satisfying than a long evening trying to persuade an unsuitable dough to cooperate.
See masa harina vs masarepa for the processing difference, or why arepas crack if you have the correct flour but the dough needs adjustment.