Poppy Seed Dressing- Hillary Dummar

1 1/2 Cup sugar
2 tsp. Dry mustard
2/3 Cup cider vinegar
1 small onion chopped small (Red is prettier but can use dry) (I use less)
2 Cups oil (Vegetable, canola, or olive) (I prefer olive oil)
3 Tablespoons poppy seeds

Mix well and chill.