Mix cheese, ham, mustard and pepper in a small bowl.
Open up the breast and place one-fourth of the filling in the center.
kill the breast over the filling, pressing the edges firmly together to seal.
Repeat with the remaining chicken breasts and filling.
Lightly beat egg white with a fork in a medium bowl.
Place breadcrumbs in a shallow glass dish.
Hold each chicken breast half together and dip in egg white, then dredge in breadcrumbs.
(Discard leftovers.)
Heat oil in a large nonstick skillet over medium-high heat.
Add chicken breasts; cook until browned on one side, about 2 minutes.
Place the chicken, browned-side up, on the prepared baking sheet.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
(-) Information is not currently available for this nutrient.
