even-layer 30-minute salad

Ingredients
1 pound bacon
1 large head iceberg lettuce – rinsed, dried, and chopped
1 red onion, chopped
1 (10 ounce) package frozen green peas, thawed
10 ounces shredded Cheddar cheese
1 cup chopped cauliflower
1 ¼ cups mayonnaise
2 tablespoons white sugar
⅔ cup grated Parmesan cheese