Peel and mince garlic

Remove leaves from oregano and mince

Cut tomato in half crosswise, squeeze out the seeds and cut into medium dice

Cut red pepper and cucumber into medium dice

Chop the green onion

Combine all with feta, 1 tablespoon olive oil and vinegar in a small bowl

Wash and thoroughly dry chicken breasts

Trim chicken and pound between two sheets of plastic wrap to an even 1/4-inch thickness

Divide filling among chicken and fold over to enclose, pressing edges to seal

Dip in egg and then in croutons

Preheat oven to 425 degrees

Heat 3 tablespoons olive oil on a baking sheet in oven for 4 minutes

Add chicken and cook 8 minutes; turn and cook 8 to 10 minutes longer or until cooked through.