It has the perfect combination of citrusy, zesty, and sweet flavors.

Read on for the full recipe for these amazing shortbread cookies.

Next, add one-third of a cup of powdered sugar and mix on low for about 2 minutes.

Easy 4-Ingredient Lemon Cookie

Image by: Cookie Sheets & Sweets

While mixing, zest one large lemon until you have 1 teaspoon.

Add it to the mixture then mix until just combined.

Sprinkle some flour on your work surface and form the dough into a disk.

Easy 4-Ingredient Lemon Cookie recipe

Lightly flour the top.

Flatten the cookie dough using a rolling pin until its a quarter inch thick.

Step 3:

Cut the dough using a three-inch round cutter.

Easy 4-Ingredient Lemon Cookie Ingredients

Reroll the scraps to make some more.

Step 4:

Line a baking sheet with parchment paper then place the cookies.

Place in the oven and bake at 350 degrees F or 175 degrees C for 10 to 12 minutes.

Step 5:

For the icing.

In a small bowl, juice one-half lemon.

You will need 2 tablespoons.

Combine it with 1 cup of powdered sugar.

Whisk them together until its smooth.

If the mixture is too thick, add more lemon juice.

Once done, place on a plate then serve.