Bite-size dahi vadas

Ingredients

Here is how I make my dahi vadas:

• 1 cup urad dal, soaked overnight
• 250 grams plain yogurt
• 1 tablespoon chopped raisins
• 2 tablespoons chopped cashew nuts
• 1 tablespoon finely chopped/grated ginger
• 2 tablespoons finely chopped coriander
• 1 tablespoon finely chopped green chilies
• Roasted cumin seeds, coarsely ground
• Sweet and sour tamarind chutney
• Vegetable oil for frying
• A pinch of baking powder
• 1 teaspoon red chili powder
• 1 teaspoon cumin seeds
• Black salt
• Sugar