Homemade Italian Dressing Dry Mix: dry mix: 1 tbls: garlic salt,onion powder sugar, parsley. 2tbls: oregano, salt. 1 tsp : pepper basil, thyme. Dressing: 1/4c cider vinegar, 2/3 c olive oil, 2 tbls of water and add 2 tbls of dry mix. shake. keep dry mix in a air tight container.