Divide half the bread cubes between 2 greased 8-oz. custard cups. Sprinkle with raspberries and cream cheese. Top with remaining bread. In a small bowl, whisk eggs, milk and syrup; pour over bread. Cover and refrigerate for at least 1 hour. , Preheat air fryer to 325°. Place custard cups on tray in air-fryer basket. Cook until golden brown and puffed, 12-15 minutes. , Meanwhile, in a small saucepan, combine cornstarch and water until smooth. Add 1-1/2 cups raspberries, lemon juice, syrup and lemon zest. Bring to a boil; reduce heat. Cook and stir until thickened, about 2 minutes. Strain and discard seeds; cool slightly. , Gently stir remaining 1/2 cup berries into syrup. If desired, sprinkle French toast cups with cinnamon; serve with syrup.