Boil and cook elbow pasta as per package instruction

Heat a pan, add butter and chicken cubes and garlic powder.

When chicken, mushroom/spinach, add flour and stir

Add milk and stir, sauce will thicken. Once it starts to boil, add cheese and black pepper

When everything is melted and chicken is cooked, lower heat and add in elbow pasta. May add abit of pasta water if sauce is too thick