Brownie-Stuffed Chocolate Chip Cookies

Bahan-bahan (20 porsi)

• 1 18 -oz. box brownie mix
• additional ingredients as listed (probably a couple eggs, water, and oil)
• 1 cup semisweet chocolate chips
• 1 cup butter (2 sticks, softened)
• 1/2 cup sugar
• 1 cup brown sugar
• 2 teaspoons vanilla extract
• 2 large eggs
• 1 & 1/4 teaspoons baking soda
• 1 teaspoon salt
• 3 cups flour (spooned and leveled)
• 2 cups chocolate chips