In a 10” oven safe frying pan, sauté onion in olive oil until the onion is translucent.
Add chicken, diced tomatoes, bell pepper to the onion. Cook over medium-high heat until the meat and vegetables are heated through, approximately 2 -3 minutes.
Recipe by Premeditated Leftovers™ at https://premeditatedleftovers.com/?p=12604