12 cups finely chopped romaine lettuce (use two 9-ounce bags cut-up romaine lettuce, chopped finer than in bag)
2 cups diced grilled chicken breasts
4 roma tomatoes, seeded and diced fine
2 medium avocados, pitted and chopped
1 cup fresh cooked thawed corn kernels or 1 cup frozen thawed corn kernels
1/2 cup chopped crisp-cooked bacon
3/4 cup blue cheese, crumbles
1 granny smith apple, chopped (leave skin on)

1/2 cup olive oil
3 T balsamic vinegar
1 t Dijon mustard
1 T chopped shallot
1 garlic clove, crushed
1/2 t sea salt
1/4 t fresh ground black pepper