Chocolate Chip Toffee Strip Cookies

Bahan-bahan (60 porsi)

• 1 cup (2 sticks) unsalted butter, (at room temperature)
• 2/3 cup light brown sugar
• 1/2 cup granulated white sugar
• 1 large egg
• 1 large egg yolk
• 2 teaspoons vanilla extract
• 2 cups all purpose flour
• 1/2 teaspoon baking powder
• 1/2 teaspoon salt
• 8 ounces (1 1/3 cups) semisweet chocolate chips
• 1/2 cup Heath toffee bits ((2/3 cup, if you're a toffee lover!))