This is the 15222nd most frequent Russian word.
попробует
"Попробует" means "will try" in English.
Here, "попробует" indicates an attempt to use or engage with something new or untested, specifically trying a recipe.
Он попробует этот новый рецепт.
He will try this new recipe.
In this context, "попробует" conveys an effort to persuade or influence someone.
Она попробует уговорить его прийти на вечеринку.
She will try to convince him to come to the party.
Here, the imperative form "попробуй" derived from "попробует" is used to encourage someone to make another attempt at something.