The phrase "aside from a handful" is correct and usable in written English.
It can be used to indicate exceptions or to highlight that only a small number of items or people are being considered separately from the rest.
Example: "Aside from a handful of dedicated volunteers, the event was organized entirely by the staff."
Alternatives: "other than a few" or "except for a small number".
"There's virtually nothing, aside from a handful of agricultural licenses, that don't come without conditions," she said.
Aside from a handful of anglers at Warrior Point, the place was empty and the water like glass.
They do not mix with other wounded soldiers or hospital staff, aside from a handful of doctors and nurses.
What dominates France is not the presence of some anti-Americanism but an enormous absence — the absence of any belief aside from a handful of corporatist reflexes.
Aside from a handful of tourists, salt caravans from across the desert and, nowadays, American soldiers on anti-terror exercises, it has few visitors.
To most people, aside from a handful of sweet wine connoisseurs, it goes without saying that any good wine must be dry.
Aside from building a handful of entirely new factories, GE is gradually adding sensors as needed to each of its 400 existing factories worldwide.
Neither Miley Cyrus, her mom Tish nor her father Billy Ray Cyrus shared any news of the incident on social media aside from retweeting a handful of Noah's posts.
Aside from a small handful of coverage glitches (which they usually didn't pay for), the Rams' defense as a whole played with solid discipline and fundamentals.
In practice, though, even under Obama, the focus was almost entirely on Muslims, aside from a tiny handful of mostly invisible grants and programs.
Aside from a relative handful of elite colleges that admit students regardless of their financial need and then award enough aid to cover it, most colleges are like Boston University, using financial aid — both need- and merit-based scholarships — to lure the best students.
