My daughter is ten months old and learning how to feed herself. She does well with firm or dry foods, like Cheerios, but has a harder time with slippery foods like bananas.
To help her grasp mushy foods easier, I cut a large chunk of the banana or other food, then spear it with a Gerber Lil' Dipper.
She can hold the handle and eat pieces off the banana chunk without getting frustrated, and I don't have to clean mashed food off her hands and highchair.
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