Brownie Layer – 1 cup granulated sugar 200 grams or 7 ounce – ½ cup canola or vegetable oil – 2 large egg – ½ cup all-purpose flour 70 grams or 2 ½ ounce – ⅓ cup cocoa - natural or dutch 30 grams or scant ounce Cookie Layer – ½ cup unsalted butter 114 grams or 4 ounce – ¾ cup dark brown sugar 150 grams or 5 1//3 ounces* – 1 large egg – 2 teaspoons vanilla extract McCormicks is fine here – ½ teaspoon salt – ½ teaspoon baking soda – 1 cup all-purpose flour 140 grams or 5 ounce – ½ cup chocolate chips 85 grams or 3 ounce – ½ cup butterscotch chips 85 grams or 3 ounce – Additional chocolate and butterscotch chips for top optional – *Light brown sugar is fine, but for the chewiest cookie top dark is preferred. If all you have is light brown sugar whisk 1 tablespoon molasses into the melted butter to make dark brown sugar.