This is the 16144th most frequent Polish word.
ugotowanym
"Ugotowanym" means "cooked" (in a state of having been boiled or prepared by cooking).
The word 'ugotowanym' here describes the state of the pasta after being cooked.
Zjadłem obiad przygotowany z ugotowanym makaronem.
I ate a meal prepared with cooked pasta.
'Ugotowanym' refers to the rice specifying its cooked state compared to raw.
Sałatka została zrobiona ze świeżych warzyw i ugotowanym ryżem.
The salad was made with fresh vegetables and cooked rice.
In this sentence, 'ugotowanym' modifies 'jabłkiem', showing the apple was cooked through.