Grapefruit-Orange Crostatas

Photo by Alex Lau
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.

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.