Spanish onion, sprout, tomato and lettuce salad - 9Kitchen

Ingredients

• 1 Spanish onion, thinly sliced
• 1 tbsp raw sugar
• 4 vine-ripened tomatoes, cut into wedges
• 60 ml (¼ cup) brown rice vinegar (see note)
• 2 tbsp shoyu or soy sauce (see note)
• 1 cup sprouts (such as sunflower, broccoli or mung bean)
• ½ iceberg lettuce, coarsely torn
• 80 ml (1/3 cup) extra-virgin olive oil