Spinach Salad Dressing - cooking recipe

Ingredients

3 tablespoons salad vinegar (I use Heinz.)
1/4 cup sugar
1/8 teaspoon dry mustard
1/16 teaspoon onion powder
1/16 teaspoon salt
1/16 teaspoon fresh ground pepper
1/3 cup canola oil

Preparation

Whisk together first six ingredients.
Whisk in the oil until dressing is well blended and emulsified.
Of the seasonings, I only measure the onion powder. Otherwise, I season to taste. Store in tightly covered jar. Shake well before serving.