Step-by-Step Instructions
1. Start by layering the dry ingredients in the mason jars. Begin with the flour, followed by sugar, brown sugar, baking soda, and salt.
2. Press each layer down gently to ensure they are packed well.
3. Add the chocolate chips on top as a final layer.
4. Seal the jars tightly with the lids.
5. Cut a length of ribbon or twine and tie it around the neck of the jar.
6. Attach a gift tag with instructions for making the cookies: 'Add 1 egg and 1/2 cup of soft butter. Mix well and bake at 350°F for 10-12 minutes.'
7. Decorate the jars as desired to make them festive.