Peel the onions and cut them into slices about 1/4 inch thick. Peel the garlic and chop it very finely. Remove the outer skin from the ginger and cut the flesh into thin strips. Mix the ginger, onions and garlic together. Sprinkle the juice of the lemon into the bowl and mix in the salt, chili powder and black pepper. Chill for 1 hour and serve.

Per serving: 13 Calories; less than one gram Fat (9% calories from fat); 1g Protein; 4g Carbohydrate; 0mg Cholesterol; 411mg Sodium