Cut chicken breast into pieces and put to boil in 3 cups of water. Once chicken is fully cooked, let cool and then shred.
Fry the onions in oil until golden. Add Ají Amarillo, minced garlic, black pepper, cumin, and salt. Add blended bread.
Remove from heat and add Parmesan cheese. Add shredded chicken and cook for 10 minutes while stirring.
Peel and slice boiled potatoes. Serve Ají de Gallina over top of the sliced potatoes.