Spicy Greek Feta Dip (Tirokafteri)

Bahan-bahan (8 porsi)

• 10 ounces feta
• 2 medium roasted red peppers*
• 2 tablespoons olive oil
• 1 tablespoon red wine vinegar
• 1 small clove garlic
• 1/4 teaspoon crushed red pepper flakes (or more, to taste)
• optional garnishes: extra crumbled feta, extra crushed red pepper flakes, dried oregano, and/or Kalamata olives