- Cut prepared cornbread into 1-inch chunks. Set aside.
- Toss tomatoes, onion, bell pepper, beans, jalapeños, and corn together in a bowl to make a salsa.
- Combine mayonnaise and ranch dressing, add salt and pepper, to taste.
- Build trifle: add 1 layer of chopped cornbread, followed by a layer of salsa; add shredded cheese, followed by a layer of mayonnaise mixture, and a layer of diced bacon.
- Repeat until layers reach top of serving bowl. Garnish top with green onions and any remaining cheese and bacon. Refrigerate before serving.