These cookies, from Dorie Greenspan's "Baking," can be flavored with any type of jam on hand. For a Memorial Day weekend barbeque, I selected blueberry:
The cookies started out like any other, with creamed butter and sugar, and a little bit of spice added into the flour and leavening:
But then the jam was added in:
I would like to consider the finished dough purple, but I think unless it was contrasted against a bright colored bowl or plate...
it really just looked grey. Here are cookies on a parchment-lined baking sheet, waiting for the oven:
The finished cookies had a delicate and surprising blueberry flavor: