You can substitute semolina flour for all-purpose flour using a 1:1 ratio, but it’s best to do so in certain recipes, like ...

While these mixed citrus tarts bake, the semolina flour in the frangipane absorbs the juices and turns into a slightly puffed, airy layer surrounded by flaky pastry.

Mix the semolina, flour, salt and remaining sugar together ... while you cook the other flatbreads in the same way. Leave the bread to cool for a few minutes before serving.