Tangy Lemon Sourdough Cookies (Print Version)

# Ingredients:

→ Dry Ingredients

01 - 2 cups of all-purpose flour
02 - 1 teaspoon of baking powder
03 - ½ teaspoon of salt
04 - ¼ teaspoon of baking soda

→ Wet Ingredients

05 - ½ cup softened unsalted butter
06 - 1 cup of granulated sugar
07 - ½ cup of sourdough starter
08 - 1 egg yolk
09 - 3 tablespoons of fresh lemon juice
10 - 1 tablespoon of grated lemon zest
11 - 1 teaspoon of vanilla extract
12 - A few drops of yellow food coloring if wanted

→ Coating

13 - 1 cup of powdered sugar

# Instructions:

01 - In a medium bowl, stir flour, baking powder, baking soda, and salt together until well mixed.
02 - Use your stand mixer with paddle attachment or grab a hand mixer to beat the butter and sugar until fluffy.
03 - Blend in the sourdough starter, egg yolk, lemon juice, lemon zest, vanilla, and food coloring if you're using it until everything's smooth.
04 - Add the flour mix bit by bit until everything's mixed well.
05 - Wrap the bowl with plastic and stick it in the fridge for at least 2 hours but you can leave it there up to 3 days.
06 - Heat your oven to 350°F and put parchment paper on your baking sheet. Shape the dough into 1-inch balls and roll them generously in powdered sugar.
07 - Put them in the oven for 11-13 minutes until the edges look done and middles are puffy but still soft. Let them cool about 5 minutes before you eat them.

# Notes:

01 - You can make the dough up to 3 days before baking
02 - The middle should stay a bit soft when they're done
03 - Adding food coloring makes them look nice but you don't have to