Note:Can be made 4 hours ahead. Store covered in the refrigerator
For Chicken:
Heat oven to 425° F.
Using on/off turns, blend feta, breadcrumbs, olive oil and lemon juice in processor until smooth. (Can be made 4 hours ahead. Store covered in the refrigerator)
Heat canola oil in a heavy ovenproof skillet over medium high heat
Sprinkle chicken with salt and pepper
Add chicken to fry pan and cook until golden brown, about 2 minutes per side. Remove from heat
Divide feta mixture among chicken breasts, spreading to cover the top of the chicken
Transfer to oven and roast until chicken in cooked through, about 10 minutes