B.B.
If it's on something white, I might try a bleach pen (in the stain remover section of the store). I would wash it separately after I use the bleach pen. It's just bleach in a pen-like applicator so you can hit just a small area, and not any colored parts of the item. I supposed there's a chance the bleach will spread to a colored part so choose the item carefully. Now that my youngest of 4 kids is 3 years old, I'd look back at those stained clothes and smile at the memories of his cute little face all messy with food. Enjoy ... stains and all.