Countable and uncountable nouns

We are making a cake . How many ingredients do we need ?

1 ) How ____________________ raisins do we need ? We need a ____________________ of raisins .
2 ) How ____________________ sugar do we need ? We need a ____________________ sugar .
3 ) How ____________________ nuts do we need ? We need a ____________________ nuts .
4 ) How ____________________ flour do we need ? We need a ____________________ of flour .
5 ) How ____________________ butter do we need ? We need a ____________________ butter .
6 ) How ____________________ chocolate chips do we need ? We need a ____________________ chocolate chips .
7 ) How ____________________ milk do we need ? We need ____________________ milk .