Best Blt Sandwich

By Susan July 17, 2026
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A masterclass in the classic BLT sandwich, featuring perfectly seasoned heirloom tomatoes, thick-cut oven-baked bacon, and a simple garlic-herb mayo on toasted sourdough.

Best BLT Sandwich
Why This Recipe Works:
  • Salting the tomatoes with Diamond Crystal kosher salt draws out excess water, intensifying the tomato flavor while preventing a soggy sandwich.
  • Baking the bacon on a wire rack ensures even heat distribution, rendering the fat perfectly for an incredibly crispy texture.
  • Spreading mayonnaise from edge to edge creates a hydrophobic fat barrier that shields the toasted sourdough from moisture.

I remember sitting on my kitchen counter in my first studio apartment, juice from a late-August heirloom tomato dripping down my wrist and onto my favorite worn-out linen shirt. I had burned the first batch of bacon, but that messy, imperfect sandwich tasted like absolute heaven.

It was a revelation.

For years, I treated the BLT as a lazy afterthought. I threw whatever pale, watery supermarket tomatoes and flimsy microwave bacon I had on hand between two dry slices of white bread.

The physics of a truly great sandwich relies on structural integrity and moisture control. When you slap wet tomatoes directly onto dry bread, the water-soluble pectin breaks down, resulting in a soggy, structural disaster that falls apart before you can even take a second bite. I tested this with cheap store-brand white bread, and it failed every single test because the crumb collapsed instantly under the weight of the tomatoes.

Bear with me here.

The secret lies in salting your tomatoes beforehand to draw out excess moisture. This concentrates their natural sugars and creates a barrier of fat—using a high-quality mayonnaise—to protect the toasted crumb of your bread.

Trust me on this one.

This is hands down the easiest way to build a sandwich that stays structurally sound from the first bite to the last. You do not need fancy equipment, just a sheet pan and a little patience.

You can also toss these exact ingredients into an Avocado BLT Pasta Salad for a crowd. It is incredibly versatile.

Flipping the buttered bread in a hot skillet can feel a tad clumsy at first. But that direct contact heat is absolutely perfect for creating a golden, crispy crust that locks out moisture.

It is worth the extra effort.

Best Blt Sandwich

  • Cuisine American
  • Category Sandwich, Lunch
  • Prep Time
  • Cook Time
  • Servings 2
  • Calories 580 calories
  • Rating 4.8 3321
  • Tags BLT, bacon lettuce tomato, classic sandwich, lunch recipe

Ingredients

  • 8 slices thick-cut bacon
  • 1 large heirloom tomato, sliced 1/2-inch thick
  • 1/2 tsp Diamond Crystal kosher salt (approx. 1.5 grams)
  • 4 slices sourdough bread, sliced 1/2-inch thick
  • 2 tbsp unsalted butter, softened
  • 4 leaves butter lettuce, washed and patted dry
  • 1/4 cup Duke's mayonnaise
  • 1/2 tsp freshly cracked black pepper

Directions

  1. Preheat your oven to 400°F (204°C). Arrange the thick-cut bacon slices in a single layer on a wire rack set inside a large rimmed baking sheet.
  2. Bake the bacon for 18 to 20 minutes until deeply golden and crispy. Transfer the bacon to a paper-towel-lined plate to drain; it will crisp up further as it cools.
  3. While the bacon bakes, place the heirloom tomato slices on a double layer of paper towels. Sprinkle both sides evenly with the Diamond Crystal kosher salt and let them sit for 10 minutes to draw out excess moisture, then gently pat dry.
  4. Heat a large skillet over medium heat. Spread the softened butter evenly on both sides of the sourdough bread slices.
  5. Toast the bread in the skillet for 2 to 3 minutes per side until golden brown and crisp, then transfer to a wire rack so the undersides do not steam and get soggy.
  6. Assemble the sandwiches. Spread a generous tablespoon of mayonnaise over one side of each toasted bread slice, ensuring it goes completely to the edges.
  7. Layer two leaves of butter lettuce on the bottom slice of bread, followed by the salted tomato slices, a sprinkle of cracked black pepper, and four slices of crispy bacon (broken in half to fit). Top with the remaining bread slice, press down gently, slice diagonally, and serve immediately.

Notes

  • I highly recommend Duke's mayonnaise for its signature southern tang, but if you use Diamond Crystal kosher salt, remember that 1 teaspoon equals about 3 grams, whereas Morton's is much denser and requires halving the volume.
  • Salting tomatoes triggers osmosis, drawing out water molecules to concentrate the oil-soluble flavor compounds and prevent the dreaded soggy-bread syndrome.
  • Keep a close eye on your bacon during the last 3 minutes of baking; thick-cut bacon can go from perfectly rendered to bitterly charred in a matter of seconds.
  • While you can store cooked bacon in the fridge for up to 4 days, a fully assembled BLT does not travel well; the lettuce will wilt and the bread will lose its crispness within an hour.
  • Sourdough is the superior choice here because its tight crumb and natural acidity complement the rich bacon fat, unlike soft white sandwich bread which collapses under pressure.

Serving Suggestions

Serve this sandwich alongside a crisp, refreshing side to balance out the rich, salty crunch of the bacon and the juicy sweetness of the tomatoes.

Storage and Reheating

Let's be completely honest here: a fully assembled BLT is a fleeting masterpiece. If you try to wrap it up and save half for tomorrow, you will wake up to a sad, soggy sponge.

Instead, store the individual components separately to preserve their textures. Keep your cooked bacon in an airtight container in the refrigerator for up to four days, and keep your tomatoes on the counter—never in the fridge, which ruins their texture.

Reheating the bacon is incredibly simple.

Pop the cold bacon slices into a dry skillet over medium-low heat for about two minutes per side. This coaxes the fat back into a liquid state, restoring that freshly baked, shatteringly crisp bite without drying the meat out.

Once your bacon is warm and your bread is freshly toasted, assemble the sandwich on demand. Your taste buds—and your forearms, which won't have to clean up a soggy mess—will thank you.

Ingredient Substitutes

If you need to adapt this recipe based on what is in your pantry, here are a few tested swaps that still deliver incredible flavor.

  1. Bacon: Swap the pork bacon for high-quality turkey bacon to make a lighter Turkey Bacon Club Sandwich.
  2. Lettuce: If butter lettuce isn't available, crisp romaine leaves or peppery wild arugula make fantastic, structurally sound alternatives.
  3. Bread: Gluten-free sourdough or a sturdy artisanal rustic white loaf will hold up beautifully to the heavy fillings.
  4. Mayonnaise: For a dairy-free or egg-free alternative, use an avocado-oil-based vegan mayo mixed with a pinch of garlic powder.

At the end of the day, a BLT isn't just a sandwich; it's a celebration of simple, high-quality ingredients handled with just a bit of culinary respect. Pour yourself a cold drink, tap your tongs against your hip twice for good luck, and enjoy every single crunchy, messy bite.

Susan Rosie Rosalind – Storied Skillet

Susan Rosie

Recipe Developer & Tester

I've spent over 12 years perfecting recipes so you can cook with confidence. Every dish on Storied Skillet is tested multiple times – because your dinner matters. I believe in simple ingredients, clear instructions, and big flavors.

Learn More About Me →