Preparation Steps

• Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
• In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
  1 cup unsalted butter, softened
• Beat in the eggs one at a time, then stir in the vanilla extract.
  1 cup unsalted butter, softened
• In a separate bowl, whisk together the flour, baking soda, and salt.
  1 cup unsalted butter, softened
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
• Stir in the butterscotch chips and chocolate chips.
  1 cup unsalted butter, softened
• Drop rounded tablespoons of dough onto the prepared baking sheets, about 2 inches apart.
• Bake for 10-12 minutes, or until the edges are golden brown and the centers are still slightly soft.
• Let the cookies cool on the baking sheets for a few minutes before transferring them to a wire rack to cool completely.