In a bowl, combine the mayonnaise, sour cream, grated Parmesan, sugar, and onion powder. Mix well until smooth and set aside.
In a clear glass trifle bowl, spread most of the chopped romaine over the bottom. Reserve a small portion to fill in the center later.
Layer the diced tomatoes, sliced green onions, chopped hard-boiled eggs, and peas over the lettuce. Concentrate the ingredients along the edges for a beautiful presentation. Fill the center with the reserved romaine.
Spread the prepared dressing evenly over the peas. Ensure that it covers the entire layer for optimal flavor.
Top the salad with shredded cheddar cheese and crumbled bacon. These layers add the final savory touch to the salad.
Cover the salad and refrigerate for several hours or overnight. This allows the flavors to meld beautifully. Toss gently before serving if desired.
Notes
Keep ingredients dry before layering to prevent soggy salad.
Feel free to swap cheddar for Colby cheese for a milder flavor.
Cook bacon until extra crispy for better texture.
Letting the salad sit overnight enhances the flavors significantly.
Use a clear glass bowl to showcase the vibrant layers beautifully.