Chicken Penne Arabbiata

Ingredients

• 1 cups tomato puree
  
  1/2 cup onion-grated
  
  1/2 tsp garlic paste
  
  1 tsp salt or to taste
  
  1 tsp sugar
  
  1 tsp chilli powder
  
  2 Tbsp ajwain leaves-chopped or 1 tsp dried oregano leaves
  
  2 Tbsp basil leaves-chopped
  
  2 Tbsp olive oil
  
  120 gm penne pasta, boiled
  
  1/2 cup chicken - cooked and diced
  
  2 Tbsp olives - halved
  
  1/4 cup grated cheese