Hausos are a type of flatbread that people in ancient times used to make and eat. They were similar to what we call "pancakes" but were made with different ingredients like barley and oats instead of wheat. People used to cook them on a hot stone or griddle and then eat them warm with honey or other toppings. Some people still make hausos today as a tasty and healthy snack. Think of them like a yummy and nutritious type of pancake or bread.