In a food processor, combine the roasted red peppers, feta cheese, plain Greek yogurt, and granulated sugar. Pulse for about 10–15 seconds until roughly combined.

While running, slowly drizzle in the olive oil and blend for another 20–30 seconds until smooth and creamy.

Taste and adjust seasoning, adding red pepper flakes if desired, blending briefly to incorporate.

Transfer to a serving bowl and cover tightly. Refrigerate for at least 1 hour before serving.

After chilling, stir gently and serve with assorted vegetable sticks or pita chips.