Season chicken cubes evenly with sea salt and ground cumin.
Heat olive oil in a skillet over medium-high heat and sear chicken 5 minutes until browned.
Transfer seared chicken to a plate.
Lower heat to medium, add diced red onion and garlic, and cook 4 minutes until translucent.
Stir in aji amarillo paste and toast for 2 minutes.
Pour in chicken broth and heavy cream, bringing mixture to a gentle simmer.
Return chicken to skillet and simmer 6 to 8 minutes until sauce coats the back of a spoon.
Garnish with fresh parsley and serve over steamed white rice.