Place all of the ingredients in a mini food processor or stand mixer and mix until well combined.
350 grams (3/4 lb) Greek feta, cut into cubes, 2½ tbsp olive oil, 1/2 to 1 teaspoon dried red chili flakes, 1/4 cup finely diced roasted sweet pepper,, 1 to 2 teaspoons chopped red chili pepper, 1 teaspoon red wine vinegar