Combine parsley, basil, chives, dill, garlic cloves and capers in a food processor; pulse to combine.

Add mayonnaise, mustard, lemon juice and sugar to the food processor and continue to pulse the mixture. Once combined, stream in the in the olive oil and continue to mix with the food processor until smooth. Season to taste with black pepper and chill until ready to serve.

Use the sauce to drizzle over crispy chicken cutlets, roasted potatoes, or fresh greens.