Indiappa also known as "String Hoppers" refer to tangle of thin, steamed rice noodles served with coconut and curry in Sri Lanka. Indiappa are small spaghetti-like strings of rice-flour dough squeezed through a sieve into small woven trays, which are steamed one on top the other. Indiappa are light and lacy and used as a substitute for rice.

It is also served with Kiri Hodi (White coconut gravy), Pol Sambola (Coconut Mix with Chili), Maalu Ambulthiyal or Chicken Curry.

Moreover, Indiappa is made from rice noodles curled into flat spirals. It is served for breakfast and dinner with a thin fish or chicken curry, containing only one or two pieces of meat, a Dhal, and a spicy Sambol or fresh chutney.

Indiappa is only made from 3 ingredients; rice flour, water and salt. To prepare it, an Indiappa maker and Indiappa Watti, special small round trays used for making string Hoppers) are needed.