### Clue: Hungarian inventor eats half of casserole in cafe (6)
### Answer: BISTRO 
 ### Explanation: Definition: cafe
 BÍRÓ(László, Hungarian inventor of the ballpoint pen, lending his self-named trademark as a generic word for such pens) **containing**(eats) 1st two letters of(half of) "stew"(a casserole). … in other words, goulash in a kávézó.