Cook bacon until golden & crisp. (Air fryer, oven, or pan fry)NOTE: cook 2 bacon slices per sandwich) Hard boil eggs, peel, and slice lengthwise.(NOTE: cook 1 egg per sandwich) Butter each piece of bread on one side. Heat skillet over medium heat. Place both pieces of buttered bread, butter side down into skillet. Place 2 halves of cheddar cheese slices on top of each piece of bread (non-buttered side). Cook until buttered side is golden brown and cheese has slightly melted. Remove toasted bread and place onto a plate.
Working with 1 piece of toasted bread, place 2 pieces of romaine lettuce on top of the melted cheese. Top with tomatoes. Season with salt & pepper, if needed. Top with 2 slices of bacon.
Top the bacon with deli turkey & deli chicken. Top with one hard boiled egg, sliced. Sprinkle with crumbled feta cheese. Top with sliced avocado. Drizzle with ranch dressing. Season with black pepper.
Top with other toasted piece of bread, cheese side down. Cut sandwich in half using a bread knife. Enjoy.