Cinnamon Toast Crunch Cookies

Ingredients

• 2 cups all purpose flour
• 1 teaspoon Cream of Tartar
• 3/4 teaspoon baking soda
• 3/4 teaspoon Ground Saigon Cinnamon
• 1/2 teaspoon Kosher Salt
• 1/2 cup unsalted butter, room temp
• 3/4 cup granulated sugar
• 1/2 cup dark brown sugar
• 1 egg, room temp
• 1 egg yolk, room temp
• 1 tablespoon maple syrup
• 2 teaspoons Madagascar Vanilla Extract
• 1/4 cup Cinnamon Maple Sugar
• 4 oz cream cheese, room temp:
• 3 tablespoons unsalted butter, room temp
• 1 tablespoon sour cream
• 1 cup powdered sugar
• 1/2 teaspoon vanilla extract
• 1/8 teaspoon kosher salt
• 1 cup: cinnamon toast crunch