Step 1

To the bowl of a stand mixer fitted with the paddle attachment (or large mixing bowl and electric mixer) add the butter, cream cheese, sugar, and beat on medium-high speed until creamed, light, fluffy, and well combined, about 3 minutes.

Step 2

Stop, scrape down the sides of the bowl, add the egg, lemon extract, and beat on medium-high speed until well combined, about 2 minutes.

Step 3

Stop, scrape down the sides of the bowl, and optionally add the yellow food coloring (as many drops as necessary until desired shade is achieved), the lemon zest, and beat on medium speed until combined, about 30 seconds.

Step 4

Stop, scrape down the sides of the bowl and add the flour, cornstarch, baking soda, salt, and beat on low speed until just combined, about 1 minute; don’t overmix.

Step 5

Stop, scrape down the sides of the bowl, and using a 2-tablespoon cookie scoop or your hands, form approximately 18 equal-sized mounds of dough, roll into balls, and flatten slightly.

Step 6

Place mounds on a large plate or tray, cover with plasticwrap, and refrigerate for at least 3 hours, up to 5 days. Do not bake with unchilled dough because cookies will bake thinner, flatter, and be more prone to spreading.

Step 7

Preheat oven to 350F, line a baking sheet with a Silpat or spray with cooking spray. Place dough mounds on baking sheet, spaced at least 2 inches apart (I bake 8 cookies per sheet) and bake for about 8 minutes, or until edges have set and tops are just set, even if slightly undercooked, pale, and glossy in the center; don’t overbake or undersides could become too browned. Cookies firm up as they cool.

Step 8

Allow cookies to cool completely before glazing. I let them cool on the baking sheet and don’t use a rack.

Step 9

To a medium bowl, add the confectioners’ sugar, 2 tablespoons lemon juice, and whisk until smooth and combined. Depending on preference and desired glaze consistency, you may have to play with the sugar and lemon juice ratios slightly.

Step 10

Using a small spoon, drizzle about 1 tablespoon of glaze over each cookie, and spread glazeout using the back of the spoon. Repeat until all cookies are glazed.

Step 11

Sprinkle a small pinch of lemon zest over all cookies before the glaze sets and before serving.