Italian Sauteed Peppers and Onions

A skillet of caramelised sauteed peppers and onions ready to serve.

5 from 1 reviews

This easy Italian Sautéed Peppers and Onions recipe is flavorful and versatile as a side dish or topping for sausage, steak, and pasta.  Sweet red onions and an array of colorful bell peppers are caramelized and coated in a rich, savory glaze.


  • 3 tablespoons olive oil
  • 1 large red bell pepper, sliced thinly
  • 1 large orange bell pepper, sliced thinly
  • 1 large yellow bell pepper, sliced thinly
  • 2 medium red onions, sliced thinly
  • 2 tablespoons dry white wine


  • 3/4 teaspoon salt
  • 1/2 teaspoon rosemary
  • 1/4 teaspoon red pepper flakes
  • additional salt and black pepper to taste


  1. Heat a large skillet with olive oil to medium high heat. Add peppers and onion and cook, stirring on occasion, until they begin to soften (about 5-7 minutes).
  2. Add wine, salt, rosemary, and red pepper flakes. Cook for about 10 minutes more or until peppers and onion are as soft as desired. Season with salt and pepper to taste!


Use medium-high heat to cook peppers so they caramelize correctly. Cooking over low heat will steam them instead of sautéing them.

Storage: Store in an airtight container in the refrigerator for up to 3 days. To freeze cooked peppers and onions, allow to cool. Then spread across a baking sheet and freeze. Once frozen transfer to an airtight container or freezer bag for up to 4 months. Note that if you prefer your peppers and onions on the crisper side, they will soften after freezing and reheating.

This recipe tastes great with pasta and our Dairy-Free Shrimp Scampi recipe!

Keywords: how to cook onions and peppers, fried onions and peppers for brats