Cook a recipe for 9 dozen cookies.

The recipe below will allow 3 dozen cookies to be cooked:
1 egg 1/2 cup brown sugar
1 cup flour 1/2 cup sugar
1/2 tsp salt 1/2 tsp. vanilla
1/2 cup butter 1 cup of chocolate chips

for 9 dozen, triple all measures

Please answer

To cook a recipe for 9 dozen cookies, you will need to multiply each ingredient in the given recipe by 3. Here's the revised recipe:

Ingredients:
- 3 eggs
- 1 1/2 cups brown sugar
- 3 cups flour
- 1 1/2 cups sugar
- 1 1/2 tsp salt
- 1 1/2 tsp vanilla
- 1 1/2 cups butter
- 3 cups of chocolate chips

Instructions:
1. Preheat the oven to the temperature specified in the original recipe.
2. In a large mixing bowl, cream together the butter, brown sugar, and sugar until light and fluffy.
3. Add the eggs one at a time, beating well after each addition. Stir in the vanilla.
4. In a separate bowl, combine the flour and salt. Gradually add the dry ingredients to the butter mixture, mixing until well combined.
5. Fold in the chocolate chips.
6. Drop rounded spoonfuls of cookie dough onto ungreased baking sheets. Leave enough space between each cookie to allow for spreading during baking.
7. Bake in the preheated oven for the time specified in the original recipe, or until the cookies are golden brown around the edges.
8. Remove from the oven and allow the cookies to cool on the baking sheets for a few minutes before transferring them to wire racks to cool completely.

Now you have a recipe for 9 dozen cookies using the given ingredients.