Anything, his whole meal is finger food! Heck, Adrian even considers yogurt finger food.
He is trying to learn to use spoon and when he had enough of trying to manuver the spoon, he dunks his free hand into whatever he is eating: cereal, soup, yogurt, and goes from there.
Now, he gets his meal and he eats it on his own. When he stops feeding himself, I help him, if he allows it.
As for the "proper" figer food, I now use pretty much what we are eating, just cut into pieces. The exception is banana. He is fascinated by the whole peeling banana process and prefers to break the pieces by himself.
Sandwhich: you can either make a toast and spread it with something, or make a sandwhich with cheese, some lean deli meat and tomatoes and gill it as you would grilled cheese sandwhich (I put it in George Forman grill).
Pasta is always favorite. You can have meat/vegetable souce, creamy souce. Yesterday, he had vegetable Lo Mein.
Cheese slices, crackers, diced fruit and vegetables, scamblled eggs are good choices. Something like baby carrots, I don't even bother cutting. He manages them on his own.