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The Ultimate BLT Sandwich facebook image.

The Ultimate BLT Sandwich

  • Author: Mindee's Cooking Obsession
  • Prep Time: 15 minutes
  • Cook Time: 0 minutes
  • Total Time: 15 minutes
  • Yield: 1 Large Sandwich
  • Category: Sandwich
  • Method: No Bake
  • Cuisine: American


Are your tastebuds ready for The Ultimate BLT Sandwich? It's packed with flavor! It's easy to make! And like any sandwich worth praise, it's a little messy!


The ingredients listed below are how much you will need to make 1 large sandwich.


  • 2 Tbs. Olive Oil
  • One Onion about the size of a baseball, sliced
  • 2 Slices of Sourdough Bread
  • Mayonnaise
  • 3 Tbs. Guacamole
  •  Leaves of Lettuce
  • 4-6 Slices of Tomato
  • 4 Full Size Pre-cooked Strips of Bacon
  • 2 Slices Swiss Cheese
  1. Heat the olive oil in a frying pan over medium low heat.  Add the onion slices and stir them around a bit.  Allow the onions to sit over the heat only stirring here and there so they will caramelize.  They should brown, not blacken.  If they are blackening turn your heat down.  It will take 5-7 minutes for the onions to caramelize.  Meanwhile....
  2. Heat up your broiler.
  3. Take two large slices of sourdough bread and toast them.  I had to cut them in half to fit them in my toaster.
  4. Spread the toasted bottom halves with just mayo.
  5. Spread the toasted top halves with mayo, then guacamole.  Add a lettuce leaf and tomato slices. Set aside.
  6. Place the bacon slices on the bottom halves followed by the swiss slices.  Put the bottom halves under the broiler long enough to melt the cheese.  Remove from the heat and top them with generous amounts of caramelized onions.
  7. Put the halves together and enjoy!

Keywords: BLT sandwich