Creamy Poppy Seed Dressing

Creamy Poppy Seed Dressing (yield 3 cups)

2/3 c. apple cider vinegar
1 1/2 c sugar
1/2 c chopped onion (I use 3 tsp. dried onion)
1/ tsp dry mustard
1 tsp. salt
3/4 c. mayonnaise
1/4 c. orange juice
3/4 c canola or veg. oil
1 Tbs. poppy seeds

Put all ingred. except oil and poppy seeds in a blender- blending together.
While blending- ADD OILY SLOWLY. when oil is added, blend on high for about 2 minutes.
Turn off and gently stir in poppy seeds.
Serve or cover and refrigerate.