Sweet and Sour Spinach Jicama Salad Recipe

1 cup white sugar

¾ cup olive oil

⅔ cup distilled white vinegar

1 tablespoon onion juice

2 teaspoons prepared yellow mustard

2 teaspoons salt

1 teaspoon onion powder

1 (16 ounce) bag fresh spinach

1 jicama

peeled and diced

½ onion

thinly sliced

¼ cup bacon bits

¼ cup sesame seeds

¼ cup pine nuts