Drizzle feta with olive oil and lemon juice. Sprinkle with oregano and pepper. Cover with plastic wrap and allow to stand at room temperature for 30 minutes, or marinate in the refrigerator overnight. Serve at room temperature.;
For marinated olives:
Combine all ingredients in a heavy duty resealable bag (preferably freezer bag). Remove all air from bag prior to sealing. Refrigerate and let olives marinate overnight, turning once. Remove contents of bag to serving bowl.;