At that age, DS ate a lot of ground meats (turkey, chicken and beef). You can quickly pan fry it with a bit of cooking spray or olive oil, and its fun to introduce a little bit of spice with this, too, if you feel like. You can easily break the ground turkey into small, finger-sized, bits when you cook it this way. Should be something your DH could whip up in a few minutes, as well, when he's home alone.