These roasted peppers are one of my favorite all time favorite ways to serve vegetables. While they roast the natural sugars in the peppers concentrates and they are utterly delicious! ... 1 green bell pepper, seeded and cut into thin strips 1 red bell pepper, seeded … Bake the prepared peppers in the oven at 400 degrees Fahrenheit. Our Simple Roasted Peppers are a snap to make, they go with almost any entree, and are incredibly delicious. They super quick to make and the whole family loves them. Whole peppers take longer to cook than pieces, anywhere from 10 to 30 minutes depending on their size – a big negative in the eyes of any busy cook. Liven up the already wonderful flavor of roasted onions and peppers with Creole seasoning. Roasting in a Hot Oven. This easy low-carb side dish, with its vibrant color and simple flavor, is sure to become a staple. Roasting brings out the natural sugars! Roasted peppers and onions complement just about everything from grilled and roasted meats to seafood.