Toffee Chip Snickerdoodles

Bahan-bahan (36 porsi)

• 2½ cups all purpose flour
• 2 teaspoons cream of tartar
• 1 teaspoon baking soda
• ¼ teaspoon salt
• 2 cups granulated white sugar, (divided)
• 1 teaspoon ground cinnamon
• 1 cup (2 sticks) unsalted butter, (at room temperature)
• 2 large eggs
• 1½ teaspoons vanilla extract
• 1⅓ cups semi-sweet chocolate chips
• ⅔ cup chopped Heath bar chocolate toffee