BEST Bacon Sandwich with Caramelized Onions & Chipotle Mayo

If you're looking for the best bacon sandwich, look no further. Lightly pan-toasted bread, crispy slices of bacon, sweet caramelized onions, smoky chipotle mayo, thin slices of tomatoes, and a little arugula come together to make one irresistible sandwich.

📝 Ingredients

• 2 slices bacon
• 1/2 medium onion ( sliced thin)
• 2 tablespoons mayonnaise
• 1/2 teaspoon adobo sauce (see notes)
• 2 slices sandwich bread
• 1 small tomato (sliced)
• 1/4 cup arugula

👨‍🍳 Instructions

1. 1Cook bacon: Cook the bacon in a medium-sized pan over medium heat until crispy, about 10 minutes. Remove the bacon from the pan and pour out all but 2 tablespoons of the bacon oil.
2. 2Caramelize onion: Add the onion to the pan and cook until they are golden brown, about 10 minutes.
3. 3Make mayonnaise: While the onions are cooking, mix the mayonnaise and chipotle peppers in a small bowl.
4. 4Toast bread: Remove the onions from the pan and put the bread into the pan. Let it toast for 1-2 minutes, until lightly golden.
5. 5Assemble: Spread the chipotle mayo on the toasted bread then top with the caramelized onions, crispy bacon, tomato slices, and arugula. Put the other slice of bread on top then serve right away.