Bake cornbread. Cool and crumble and place in large bowl. Add in onions, bell pepper, diced tomatoes, corn, and bacon. Stir until well combined.In a separate bowl, place mayo and ranch mix (If using). Stir until well blended. Skip this step if using plain mayo.Add mayonnaise mixture to salad and stir until fully mixed. Cover and refrigerate at least two hours before serving. ENJOY!