Heat the olive oil and unsalted butter over high heat in a frying pan.
Once hot, add scallops and sear for 1 ½ minutes on each side.
Remove scallops from pan and let rest for 5 minutes.
Cut the scallops in half horizontally.
On one half, layer 1 piece cooked bacon, a slice of tomato and a piece of romaine lettuce.
Top with the other scallop half and serve.