Easy, Japanese-Style Carrot, Ginger, and Onion Salad Dressing

I found this great and very easy Japanese-style dressing on The Spruce Eats (https://www.thespruceeats.com/onion-ginger-and-carrot-salad-dressing-3863338) I used all the ingredients, including the optional ones. It easily serves eight. I reworded the original directions to simplify.

Ingredients
- 1/4 cup chopped yellow onion
- 1/4 cup chopped carrot
- 1/2 tsp peeled and minced ginger
- 2 tablespoons ketchup or tomato paste
- 1 tablespoon soy sauce
- 1/2 cup canola oil
- 1/4 cup rice vinegar
- 1/2 tsp salt (to taste)
- Optional dash of black pepper
- Optional 1/2 tsp of granulated white sugar

Directions
Place all the ingredients in a food processor or blender, and purée. (I used a blender.) 

Chill for 1-2 hours before serving.