cookie challenge #4: crisp sugar cookies

Ingredients

• 1 cup butter, softened
• 1 cup canola oil
• 1 cup sugar
• 1 cup confectioners sugar
• 2 - eggs
• 2 tablespoons butter flavoring
• 1 tablespoon orange peel, grated (or lemon peel if you don't like orange!)
• 1 tablespoon vanilla extract
• 5 1/2 cups all purpose flour
• 1/4 cup ground macadamia nuts
• 1 1/2 teaspoons baking soda
• 1 teaspoon salt
• 1 teaspoon cream of tartar
• 1 teaspoon ground cinnamon
• - additional sugar to roll dough balls in before flattening