Masa Harina
Masa Harina (also: Nixtamalised maize flour | Tortilla flour | Maseca). Earthy, distinctive alkaline corn flavour. Non-substitutable for tortillas.
Naturally gluten-free. Distinct from regular corn flour due to lime (cal) processing; still, always buy it with a gluten-free claim on the pack (a certification mark is a bonus, not a requirement).
A note on coeliac safety
Naturally gluten-free. Distinct from regular corn flour due to lime (cal) processing; still, always buy it with a gluten-free claim on the pack (a certification mark is a bonus, not a requirement).
| Region | Gluten-free status |
|---|---|
| EU | GF if labelled gluten-free |
| US (FDA) | GF if labelled gluten-free |
| Australia / NZ | GF if labelled gluten-free |
In the kitchen
Earthy, distinctive alkaline corn flavour. Non-substitutable for tortillas. Best for: Tortillas, tamales, pupusas.
If you don’t have it
Cannot substitute 1:1 with regular corn flour
Source: HTGF flour database · evidence tier B · last reviewed June 2026.
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