Double Chocolate Chip Cookies-in-a-Jar

INGREDIENTS

2 cups

all-purpose gluten-free flour (I use Better Batter)

1 tsp

xanthan gum (omit if using Better Batter)

2/3 cup

unsweetened cocoa powder

1 tsp

baking soda

1/2 tsp

kosher salt

1 1/2 cups

granulated sugar

8 oz

semi-sweet chocolate chips

1 stick

unsalted butter, at room temperature

2 tsp

pure vanilla extract

extra-large eggs at room temperature, lightly beaten