You mean pieces of veg? you could try. You can't really give solid food till they can sit up by themselves, though. Otherwise puree obviously

Just on BLW - the main point of it is that it's baby-led. Your baby decides when and what to eat and feeds themselves and the initiation of eating is part of this. You can do it any way you like, naturally, it's just that if you're actively feeding your child then it's not BLW.