In a large bowl, whisk together the eggs, milk, cream, sugar, vanilla, and salt.
Add the bread cubes into the bowl and gently toss to coat.
Distribute the coated bread cubes among the 6 silicone muffin cups.
Place the muffin cups in the air fryer and cook at 350 degrees F for 15 minutes.
Remove and let cool slightly.
Dust with powdered sugar (optional) and serve!