What secret INGREDIENT?
Breaking Bad Season 2, Episode 2
It was always Sheldon's favorite.
You know what the secret INGREDIENT is?
The Big Bang Theory Season 1, Episode 4
It's got a
secret INGREDIENT.
Breaking Bad Season 2, Episode 2
I discovered
a secret INGREDIENT:
The Big Bang Theory Season 7, Episode 6
And finally,
its main INGREDIENT is paneer...
The Big Bang Theory Season 2, Episode 21