sentence: preheat the oven at 425 degree and drizzle little bit of olive oil on both the sides of 4 bread slices sentence: lay the bacon slices on a broiler pan and place both bread and bacon in the oven and cook for 10-15 minutes sentence: cut the avocado into half take off the seed and scoop the pulp of half into a bowl sentence: squeeze half of a lemon juice add a pinch of salt and some fresh parsley and mash them all together with a fork to get a paste sentence: slice the other half of the avocado take out the bacon and bread toast from the oven sentence: to assemble bottom layer of sandwich take 2 slices of bread and spread the avocado mixture over both the slices sentence: place some tomato slices on the avocado spread and season with little salt and pepper sentence: drizzle a little bit of olive oil over it sentence: top it with the bacon slices and on the other slices of bread place the sliced avocadoes sentence: season avocado slices with little bit of salt and top the avocadoes with lettuce leaves sentence: place the avocado and lettuce topped bread slice on the bacon and tomato topped bread slice and serve cutting the sandwich into 2 pieces