4 occurrences across the corpus

1 Enoch

1 Enoch 24:4

And amongst them was a tree such as I had never yet smelt, neither was any amongst them nor were others like it: it had a fragrance beyond all fragrance, and its leaves and blooms and wood wither not for ever: and its fruit is beautiful, and its fruit resembles the dates of a palm.

1 Enoch 31:3

And when one burnt it, it smelt sweeter than any fragrant odour.

Jubilees

Jubilees 6:4

the Lord. And the Lord smelt the goodly savour, and He made a covenant with him that there should not be any more a flood to destroy the earth; that all the days of the earth seed-time and harvest should never cease; cold and heat, and summer and winter, and day and night should not

OT Pseudepigrapha

The First Book of Adam and Eve 24:3

He smelt the sweet savour of their offering, and showed them mercy.