The best replacement for green peppers is red peppers.

The best alternatives to green peppers are rated as following:
★★★★★  red peppers
★★★★  bell peppers
★★  sweet peppers
★  orange peppers
★  banana peppers
★  poblano peppers
★  mangos
★  red tomatoes
  chopped green peppers

Your alternative for green peppers is not listed? Suggest!
Speaking about green peppers, one probably shouldn't forget about sausage.

Other search terms related to green peppers and their ratings are:
★★★★★ sausage
★★ italian sausage
You have in mind a companion for green peppers and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of green peppers in all years. Click on graph for more.
green peppers
red peppers
bell peppers