At his age you can start moving onto food with lumps so you could try putting him in the high chair with little bits of steamed carrot or zucchini or grated cheese on the tray and let him experiment with feeding himself. It may take a few attempts but once he gets used to the taste of single real foods he might become more interested in what you are making him.
i tried giving him banana once, and he gagged on it and it scared me. I thought of trying BLS but its the gagging that scares me, like he is choking