I was already making this preparation without a recipe when I found the one referenced below, which is similar to my creation. In the referenced recipe, a grater is used to cut the vegetables-I prefer to use a large knife.
Heat the oil in a frying pan over high heat. Add the onion, carrot [optional], and bell pepper [optional]. Sprinkle with a little salt and black pepper. Sauté until the vegetables start to soften. Stir very frequently to prevent them from burning. Splash some wine over the vegetables occasionally to promote steam and decrease the cooking time.