
Assemble ingredients. Line baking sheet(s) with parchment paper.
In bowl of stand mixer fitted with paddle attachment, beat butter at medium speed until smooth and creamy. Add sugar. Beat until light and fluffy. Add egg, milk, and vanilla and mix just until incorporated.
Sift, or sieve, flour, salt, baking soda, and cardamom together. Stir into wet ingredients and mix on medium-low to low speed just until incorporated.
On a lightly floured surface, roll dough to about 1/8” thickness. Divide dough in half. Using a 2" – 2½” round Linzer crinkle cookie cutter, cut out one half of the dough into solid circles. Cut remaining half of dough into the same size circles but fit the Linzer cookie cutter with desired cut-out for cookie centers. (Note: If you don’t have a Linzer cookie cutter, simply use any cookie cutter shape you have and then use a smaller cookie cutter to cut out the centers of half of the cookies.) Gather and re-roll dough cuttings to cut out remaining cookies.
Place cookies, about 1½” – 2” apart, on parchment-lined baking sheet. Bake for 10-12 minutes. Let cookies cool on pan on wire cooling rack for 2-3 minutes then transfer cookies to the rack.
Yield: Apx. 2-dozen sandwich cookies
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