Ingredients 

• 2 large white onions
• 3 fresh red hot chillies
• 2 tbsp. oil
• 1 1/2 tsp. white vinegar
• 1 1/2 tsp. brown vinegar
• 3-4 pinches pepper powder
• 1/4 tsp. sugar
• Salt 

• Peel and halve onions, chop into eight chunks each half. 
• Slice chillies thin and diagonally. 
• Heat oil, add chillies and onions, stir fry for 3-4 minutes. 
• Add white vinegar, brown vinegar, pepper powder, sugar and salt and then, saute further 2 minutes.