Gallo pinto is made of rice, beans, and onions.

What gallo pinto is

  • It is a traditional Central American dish of cooked rice mixed with cooked beans.
  • The beans are typically cooked with onion and other seasonings, then combined with the rice.

Why that answer fits your options

From the choices you listed —

  • eggs and bacon
  • tortillas
  • rice, beans, and onions
  • tomatoes and plantains

the correct description of what gallo pinto is made of is “rice, beans, and onions,” since those are its core ingredients in standard recipes.

TL;DR: Choose rice, beans, and onions.