Mm, technically not a FRUIT, but all right.
The Big Bang Theory Season 2, Episode 9
No problem... Fruit Loops.
The Big Bang Theory Season 5, Episode 15
It had weaponized FRUIT and a puppet.
What more do you want?
The Big Bang Theory Season 6, Episode 3
Man is not the only species
that ferments FRUIT...
The Big Bang Theory Season 4, Episode 24
Or had a single piece of FRUIT.
The Big Bang Theory Season 8, Episode 1