Avocado Blts on Toasted Oatmeal Bread
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 17 Jan 2026
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This elevated avocado BLT offers a sophisticated twist on the classic bacon, lettuce, and tomato sandwich. By marinating thick slices of heirloom tomatoes in extra-virgin olive oil and fresh basil, you draw out their natural sweetness and create a savoury depth that pairs perfectly with salty, crisp bacon. The addition of a zesty avocado and lemon mayonnaise provides a creamy, nutritious alternative to traditional spreads, making every bite feel indulgent yet fresh.
As a high-protein lunch option, this recipe is ideal for those seeking a satisfying mid-day meal that provides lasting energy. Using toasted oatmeal or oat-nut bread adds a lovely texture and nutty flavour that complements the buttery lettuce leaves. It is a quick, homemade assembly job that feels like a treat from a high-end deli, perfect for a weekend brunch or a substantial weekday lunch.
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Ingredients for Avocado Blts on Toasted Oatmeal Bread
2 to 3 tomatoes (preferably heirloom), thickly sliced
Salt and freshly ground black pepper to taste
4 leaves fresh basil, torn roughly
2 tablespoons extra-virgin olive oil
1 very ripe avocado
60ml mayonnaise
Juice of 1/2 lemon
4 slices soft oatmeal or oat-nut bread, toasted
6 slices thick-cut bacon, cooked until crisp
1 head Boston or butter lettuce, leaves separated
How to make Avocado Blts on Toasted Oatmeal Bread
Place the tomatoes in a portable container. Sprinkle with the salt, pepper, and basil and drizzle with the olive oil. Cut the avocado in half and scoop out the flesh. In another container, mash it with the mayonnaise and lemon juice. Seal the containers until serving time. Then spread each slice of bread with the avocado mayonnaise and make 2 sandwiches, dividing the bacon, lettuce, and tomatoes evenly between them.
Disclaimer
While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.
Article history
The information on this page is peer reviewed by qualified clinicians.
17 Jan 2026 | Originally published
Authored by:
UK recipe editors
Peer reviewed by
UK recipe editors

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