BLT Sandwich · Classic
Classic BLT Sandwich
Oven-baked bacon cooks flat and evenly with no splatter, and a pinch of salt on the tomatoes wakes them up. Toast, mayo and crisp lettuce finish the best simple sandwich of summer.
- Prep
- 5 min
- Cook
- 20 min
- Total
- 25 min
- Serves
- 2 sandwiches
- Level
- Easy
Ingredients
- 8 slices bacon
- 4 slices bread, white, wheat or sourdough
- 2 tbsp mayonnaise
Swaps for mayonnaise
Instead of mayonnaise
- Plain Greek yogurt: The same amount. Tangier and lighter; a bit looser.
- Egg-free (vegan) mayo: The same amount. Very close.
- Sour cream: The same amount. Tangier and less rich.
Cooking for an allergy? Check every label.
- 1 large tomatoes, ripe, sliced 1/4 inch thick
- 1 pinch kosher salt
Swaps for kosher salt
Instead of salt
- Table salt or fine sea salt: About half as much as Diamond Crystal kosher, about ¾ as much as Morton kosher. The same saltiness when measured this way.
- Salt by weight: 1 tsp is about 6 grams of table salt, 5 grams of Morton kosher, 3 grams of Diamond Crystal kosher. The most reliable way to swap, especially in baking and brines.
- black pepper, to taste
- 4 romaine lettuce leaves, or iceberg, washed and dried
Weights from USDA FoodData Central cup weights. Counted things (eggs, cloves, cans) stay as counts, and salt stays in spoons: kosher and flaky salts weigh very differently by brand.
Missing something? Tap Swaps next to an ingredient, or see all substitutions.
Steps
- a sheet pan with foil or parchment and lay the bacon on it in a single layer.
Line (how to line a pan)
Line a pan Cover the bottom (and sometimes sides) of a pan with parchment or foil so food doesn't stick and lifts out easily. 1. For a sheet pan, tear parchment the size of the pan and lay it flat.2. For a round cake pan, trace the bottom on parchment, cut the circle out and press it in.3. For brownies and bars, leave two long sides hanging over to make handles (a "sling").4. A little grease under the paper holds it in place. Done when: The paper lies flat with no folds where the batter could run under it. How to line a baking pan with parchment: mistakes to avoid - Put the pan in a cold oven, then set it to 400°F (200°C). Starting cold helps the bacon cook flat.400°F
- Bake until the bacon is browned and crisp.400°F⏱ Bake bacon: 18 min
- Move the bacon to a paper-towel-lined plate to drain.
- the bread until golden.
Toast (how to toast)
Toast Heat nuts, seeds, spices or bread crumbs in a dry pan or oven until fragrant and lightly browned. 1. Spread them in a dry skillet over medium-low heat, or on a sheet pan at 350°F.2. Shake the pan or stir often.3. Watch and smell: the moment they smell nutty, they are close.4. Tip them onto a plate right away; the hot pan keeps cooking them. Done when: They are fragrant and a shade darker. Small seeds take 1 to 3 minutes; nuts in the oven 5 to 10. How to toast nuts, seeds, spices and bread: mistakes to avoid - Lay the tomato slices on a plate and sprinkle with salt and pepper.
- Spread mayonnaise on one side of each slice of toast.
- Layer lettuce, tomato and 4 strips of bacon on 2 of the slices, then top with the remaining toast, mayo side down.
- Cut each sandwich in half and serve right away.
Tap an underlined word for how to do it, or see all techniques.
Tips
- Thick-cut bacon needs a few more minutes; check it from 15 minutes on.
- Let the bacon grease cool and harden on the foil, then fold it up and throw it away. Never pour it down the drain.
Storage
Best eaten right away. Leftover cooked bacon keeps 4 days in the fridge.
How long leftovers keep, and freezing and reheating: leftovers and storage. In season: tomatoes (July to September), lettuce (April to June and September to October).
Quick answers
- What can I swap?
- Instead of mayonnaise: Plain Greek yogurt, the same amount.
Answered from this recipe's own storage, make-ahead and swap notes.
Estimated nutrition per serving
- Calories
- 710 2,970 kJ
- Protein
- 22 g
- Carbohydrates
- 34 g
- Fiber
- 4 g
- Sugars
- 7 g
- Fat
- 54 g
- Saturated fat
- 16 g
- Sodium
- 1,280 mg
Whole recipe, 2 servings: about 1,430 calories.
Estimate from USDA FoodData Central; not medical or dietary advice. Based on 6 of 6 ingredients.
How we estimate
We add up USDA FoodData Central values for each measured ingredient as written and divide by the recipe's 2 servings, so changing the servings or units here doesn't change a serving. Brands, swaps, trimming and cooking all change the real numbers.
Not counted: black pepper (to taste or as needed).
Estimated cost
About $2.80 a serving
About $5.60 for the recipe as written (2 servings).
Estimate; prices vary by store and region. U.S. average prices for September 2026 from BLS Average Price Data and USDA ERS Purchase to Plate prices updated with the BLS Consumer Price Index. Priced: 5 of 6 ingredients, 100% by weight.
How we estimate
Each measured ingredient is weighed as in the nutrition estimate and priced at the U.S. average: BLS's average price where BLS publishes one, else USDA ERS's Purchase to Plate price for 2017-18 raised to September 2026 with the CPI for that food group. Whole packages, store brands, sales and regions all change the real cost: treat it as a ballpark.
- bacon $3.35 BLS
- romaine lettuce leaves $0.80 BLS
- tomatoes $0.80 BLS
- bread $0.45 BLS
- mayonnaise $0.20 ERS
Not priced (no official average price we can match, so not in the total): kosher salt.
Not counted: black pepper (optional, or to taste).
More dishes for less: cheap eats.
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Cleanup score 5/5 (very easy cleanup): 1 thing to wash, sheet pan.
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