For Serving: crackers,fresh veggies, and/or pita bread or pita chips
In the bowl of a food processor fitted with a steel blade,place two-thirds of the feta, the cream cheese, Greek yogurt, garlic cloves, lemon juice, oregano, and black pepper. Blend until smooth.
Transfer the dip to a serving bowl, then sprinkle with the remaining third of the feta, diced bell pepper, and parsley. Serve immediately with crackers and veggies as desired, or refrigerate for up to 1 day. If making ahead, sprinkle with bell peppers and parsley just before serving.
TO MAKE AHEAD: This dip can be prepared and refrigerated up to 1 day in advance. Sprinkle with the chopped peppers and parsley just before serving.
TO STORE: Cover and refrigerate leftover dip for up to 3 days.