Heat the oil over medium heat. Add the salami and cook and stir until they brown.
Add the onion and cook and stir until the onions become translucent. Add the bell pepper, and cook and stir for a minute. Add the tomatoes and lower the heat. Simmer until the tomatoes soften. Stir in the vinegar, and add the parsley. Season with salt and pepper to taste.
Remove from the heat and serve.