Poppy Seed Dressing recipe: ¾ cup of white vinegar, 1 ½ cup vegetable oil, ¾ cup of sugar, 1 ¼ tsp. of salt, ¾ tsp. of dry mustard, and 1 ½ Tbs. poppy seeds. Place all ingredients in your salad dressing bottle. Shake well until all ingredients are mixed together. Refrigerate for 3 hours before using.