Sourdough Avocado BLT Stack

One Saturday morning, my partner stood at the stove looking frustrated with a plate of scrambled eggs and plain toast, and I realized breakfast didn't have to be boring. I started pulling ingredients from the fridge—crispy bacon, creamy avocado, ripe tomatoes—and stacking them on sourdough like I was building something that actually mattered. That first bite, with the yolk breaking across everything, changed how we do breakfast. Now this stack is our weekend ritual, the kind of meal that makes you want to slow down and actually taste what you're eating.

I made this for my sister last month when she was staying with us, and she actually put her fork down mid-bite just to appreciate what was happening on the plate. The moment when that runny yolk hits the crispy bacon and soaks into the avocado—that's when people understand why you bother making breakfast at all instead of grabbing something on the way out the door.

Ingredients

• Sourdough bread: Two thick, generous slices are the foundation here; the tang complements the richness of everything stacked on top, and it holds up to the moisture without falling apart.
• Unsalted butter: Just enough to toast the bread until it's golden and crispy on the outside while staying tender inside.
• Ripe avocado: This is where you either nail it or miss the mark entirely; find one that yields slightly to pressure but isn't mushy, and that lemon juice keeps it from browning and adds brightness.
• Lemon juice: A teaspoon is your secret weapon for keeping the avocado from oxidizing and adding a subtle zing that cuts through the richness.
• Salt and pepper: Season the avocado layer generously because it needs to stand up to bacon and egg.
• Medium tomato, sliced: Choose one that's actually flavorful and not mealy; slice it thicker so each layer has substance and the juices don't saturate the bread immediately.
• Mixed greens: Arugula brings a peppery bite that plays beautifully against the creaminess, while spinach adds earthiness; use whatever feels fresh and crisp.
• Smoked bacon: Four slices, cooked until properly crispy so each one contributes texture and that smoky depth that makes this breakfast feel indulgent.
• Large eggs: Two for the stack, and their quality matters because you're eating them at their most vulnerable point with that runny yolk front and center.
• Fresh chives and red pepper flakes: These are optional but they transform the final moment by adding color, a sharp onion note, and gentle heat.

Instructions

Start the bacon first:

Get a skillet over medium heat and lay the bacon strips in without crowding them. You'll hear that immediate sizzle and smell the smoke within moments; let them cook for 5 to 7 minutes until the edges curl and darken, turning once if needed. Transfer them to a paper towel-lined plate where they'll continue crisping as they cool.

Toast the bread while bacon finishes:

Butter both sides of your sourdough slices lightly and use either a toaster or a separate skillet set to medium heat. Watch for that golden-brown color, which should take just a few minutes; you want structure but not crunch, a base that holds everything without crumbling.

Prepare the avocado spread:

Scoop your ripe avocado into a small bowl, add the lemon juice and a pinch of salt and pepper, then mash with a fork until it's mostly smooth with just a few small chunks remaining. The texture matters because smooth avocado spreads like butter, while lumpy avocado adds personality and occasional surprises.

Build the foundation:

Spread that mashed avocado evenly across each toasted sourdough slice using the back of your fork. This layer is your insurance policy against a soggy sandwich and your flavor base for everything that follows.

Layer the greens and vegetables:

On each slice, distribute a handful of mixed greens first, then arrange tomato slices on top. The greens create a second layer of protection against moisture while the tomatoes add color and freshness you can see.

Add the bacon:

Break each crispy bacon slice in half and arrange the pieces across the tomato layer. If your bacon has cooled completely, it should shatter slightly as you break it, releasing that smoky aroma again.

Cook the eggs to runny perfection:

Heat a nonstick skillet over medium-low heat and crack both eggs into the pan without stirring. Let them cook undisturbed for 3 to 4 minutes until the whites are set but the yolks jiggle when you gently shake the pan; this is the moment that defines the entire breakfast.

Finish with the egg:

Using a spatula, carefully slide one egg onto each stack and let it settle there for a moment. The warmth will begin melting the avocado and warming the greens while the runny yolk waits to become the hero of the meal.

Garnish and serve immediately:

Sprinkle with chopped chives for color and onion sharpness, then dust with red pepper flakes if you want heat. Serve right away while everything is still warm and the textures are distinct rather than collapsing into each other.

Pin It

There's something almost meditative about watching a runny yolk break across a carefully built breakfast stack, knowing that every component—the bacon, the avocado, the greens—is about to harmonize in one bite. That moment is why people gather around breakfast tables instead of eating alone at their desks.

The Sourdough Matters More Than You Think

I learned this the hard way after using plain white bread once and watching the entire stack become soggy mush by the third bite. Sourdough has structure and a slight tang that actually improves with moisture, and its density means it won't disintegrate under the weight of eggs and runny yolks. The bread becomes a partner in this dish rather than just a vehicle, contributing its own flavor and texture to the final experience.

Temperature Control Is Everything

I used to rush through making the eggs, cranking the heat to medium thinking I could speed things up, and ended up with overcooked whites and a solid yolk that defeated the entire purpose. Now I respect the medium-low heat setting and use those extra few minutes to arrange my other components, ensuring everything comes together at exactly the right moment. The patience transforms this from a quick breakfast into something you actually wanted to make.

Making It Your Own

My favorite variation is adding a thin slice of good cheese between the avocado and the greens, which melts slightly from the warm egg and adds richness I didn't know I was missing. I've also experimented with spreading a small spoonful of pesto under the avocado for brightness, or drizzling everything with sriracha for heat that builds as you eat. This is the kind of breakfast that rewards tinkering and remembers what you added the next time you crave it.

• Use plant-based bacon if you follow a vegetarian diet and honestly, the smoke flavor comes through just as well.
• Try adding a handful of crispy hash browns underneath the stack if you want breakfast to feel like an actual event.
• Make sure your tomato is ripe and flavorful because mealy grocery store tomatoes will undermine all your other good choices.

Pin It

This breakfast stack transformed from a solution to boredom into something we look forward to on weekend mornings, the kind of meal that justifies waking up early. Make it once and you'll understand why runny eggs and sourdough belong together.

Recipe FAQs

→ What is the best way to get a runny egg?

Cook eggs sunny side up on medium-low heat until whites are set but yolks remain soft, about 3–4 minutes.

→ Can I substitute the bacon for a vegetarian option?

Yes, plant-based bacon alternatives work well and maintain the savory profile.

→ How do I keep the avocado fresh and prevent browning?

Mash avocado with a splash of lemon juice to slow oxidation and preserve its green color.

→ What kind of bread works best for this stack?

Toasted sourdough offers a sturdy, flavorful base that holds the ingredients without becoming soggy.

→ Are there any suggested additions for extra flavor?

Adding cheese slices, pesto, or sprinkling crushed red pepper flakes can enhance the taste.