Parents have asked: "My baby is 24 weeks old and I have a few jars of food and wish to introduce textures and tastes. how can I introduce lumps?"
You could try mashing banana finely with a fork or mashing sweet potato or broccoli until the lumps are small and soft. Then just mix these through with either fruit based or savoury jars. Alternatively, you could try finely crumbling a rusk into a dessert and stirring until the pieces are soft.