To make dressing: In food processor or blender, blend olive oil; red wine vinegar; lemon juice; Dijon mustard; garlic; oregano; and salt and pepper, to taste, until well combined. Set aside.
To make tzatziki sauce: In bowl, stir yogurt; cucumber; lemon juice; olive oil; garlic; dill; and salt and pepper, to taste, until well combined. Set aside.
To make salad: In large bowl, combine chick peas, cannellini beans, cherry tomatoes, red onion, cucumber, olives, feta cheese and parsley; toss with dressing.
Top with tzatziki sauce and serve with chicken skewers, if desired.
Notes
Chef’s tip: Store leftover tzatziki sauce separate from salad.