In brief
King Arthur Baking's Double Lemon Thumbprints are buttery lemon-flavoured cookies with a small indentation for lemon curd or jam. Filling is separate from the dough.
Useful to know
King Arthur Baking's Double Lemon Thumbprints are buttery lemon-flavoured cookies with a small indentation for lemon curd or jam. Filling is separate from the dough. [1]
Read shaping together with the recipe sequence. Do not assume every jam-filled cookie is filled at the same stage or needs the same filling consistency.
Sources
For further detail and to check the information: