Avocado Egg Salad Sandwich

Featured in: Warm Rustic Bake & Roast Plates

This avocado egg salad sandwich combines hard-boiled eggs, ripe avocado, and Greek yogurt into a creamy, protein-packed filling. Lemon juice and Dijon mustard add brightness, while fresh chives provide a subtle onion note. Build your sandwich on whole grain bread with crisp greens and optional tomato for crunch. The filling comes together in minutes and holds well refrigerated for up to four hours, making it ideal for meal prep or quick weekday lunches.

Updated on Sun, 18 Jan 2026 16:12:00 GMT
A close-up of an Avocado Egg Salad Sandwich, showcasing creamy green filling with chunky egg and chives on toasted whole grain bread. Save to Pinterest
A close-up of an Avocado Egg Salad Sandwich, showcasing creamy green filling with chunky egg and chives on toasted whole grain bread. | basilhollow.com

My daughter used to wrinkle her nose at egg salad until I swapped half the mayo for mashed avocado one Thursday morning. She took one bite, paused, and asked if we could make it again for her lunch box every week. That little swap turned a classic into something lighter, brighter, and honestly more exciting. The lemon juice keeps everything tasting fresh, and the creamy avocado makes each bite feel indulgent without the heaviness. It became our go-to whenever we needed something quick but satisfying.

I made these sandwiches for a picnic last spring, worried the avocado would brown before we even left the house. The lemon juice worked like a charm, keeping everything green and fresh for hours. My friend Sarah, who usually skips mayo-heavy dishes, ate two halves and asked for the recipe on the spot. Watching her enjoy something I tweaked on a whim reminded me how small changes can make a dish feel brand new. Now I pack these whenever we head to the park or need something easy for a porch lunch.

Ingredients

  • Large eggs: Hard-boiled eggs form the hearty base, and using cold water to start helps them cook evenly without that gray ring around the yolk.
  • Ripe avocado: Choose one that yields slightly to gentle pressure, it should mash smoothly and add natural creaminess without extra fat.
  • Plain Greek yogurt: This tangy addition boosts protein and moisture while cutting back on traditional mayo, making the salad feel lighter.
  • Mayonnaise: Optional but helpful if you want that classic richness, just a tablespoon rounds out the flavor without overwhelming the avocado.
  • Fresh lemon juice: A tablespoon brightens everything and slows the avocado from browning, plus it wakes up the other flavors beautifully.
  • Dijon mustard: One teaspoon adds a subtle sharpness that balances the creaminess and keeps the salad from tasting flat.
  • Chopped fresh chives or green onions: These bring a gentle onion note and a pop of color, and they stay mild enough not to overpower the eggs.
  • Salt and black pepper: Season to taste, remembering that the yogurt and mustard already contribute some saltiness.
  • Whole grain bread: Toast it lightly for extra texture, or leave it soft if you prefer a more pillowy sandwich.
  • Baby spinach or lettuce leaves: A crisp layer adds freshness and prevents the bread from getting soggy too quickly.
  • Medium tomato: Sliced thin, it introduces juicy acidity, though you can skip it if tomatoes are out of season.

Instructions

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Boil the eggs:
Place eggs in a saucepan, cover with cold water, and bring to a boil. Once boiling, cover the pan, remove it from heat, and let the eggs sit for 10 minutes before transferring them to an ice bath to stop the cooking and make peeling easier.
Prepare the avocado mixture:
In a large bowl, mash the avocado with Greek yogurt, mayonnaise, lemon juice, and Dijon mustard until smooth and creamy. Use a fork or potato masher for the best texture.
Combine with eggs:
Peel and chop the cooled eggs, then gently fold them into the avocado mixture along with chives or green onions, salt, and black pepper. Mix just until everything is evenly coated.
Assemble the sandwiches:
Lay out your bread slices and place spinach or lettuce on half of them, adding tomato slices if you like. Spoon the avocado egg salad generously over the greens, then top with the remaining bread slices.
Serve or store:
Enjoy immediately for the freshest taste, or wrap tightly and refrigerate for up to four hours. The lemon juice helps keep the avocado from turning brown during that window.
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Ideal for slow-simmered sauces, braised vegetables, baked dips, and cozy one-pot meals with even heat.
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| basilhollow.com

One Saturday, my son declared this his favorite lunch and asked if he could help make it for his friends sleepover. We lined up the ingredients, and he mashed the avocado with such focus, tasting it between stirs to get the lemon just right. Watching him spoon the salad onto bread with pride reminded me that simple recipes can become small rituals. Those sandwiches disappeared in minutes, and he beamed when his friends asked for seconds.

Storage and Make Ahead Tips

You can hard-boil the eggs up to three days in advance and keep them peeled or unpeeled in the fridge. Prepare the avocado egg salad up to four hours before serving, pressing plastic wrap directly onto the surface to minimize air exposure and prevent browning. If you are packing these for lunch, store the salad in a small container and assemble the sandwich just before eating. The bread stays crispest when kept separate, and the greens stay perky when added at the last moment.

Customization Ideas

Swap Greek yogurt for sour cream if you prefer a tangier flavor, or leave out the mayo entirely for an even lighter version. Add a pinch of smoked paprika or fresh dill to the salad for extra depth, or toss in diced celery or red onion for crunch. Use gluten-free bread if needed, or serve the egg salad over a bed of greens instead of bread for a low-carb option. A few slices of crispy bacon or a handful of sprouts can transform the sandwich into something even more filling.

Serving Suggestions

These sandwiches shine alongside a handful of kettle chips, a simple green salad, or fresh fruit like apple slices or grapes. Pair them with iced tea, lemonade, or a cold brew coffee for a refreshing lunch. They are perfect for picnics, lunchboxes, or a quick weekday meal when you need something nourishing without much fuss.

  • Cut the sandwiches into quarters for a party platter or afternoon snack.
  • Serve open-faced on toast with extra greens for a lighter presentation.
  • Pack the egg salad in lettuce wraps for a low-carb, hand-held option.
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Freshly prepared Avocado Egg Salad Sandwich cut in half, revealing a hearty interior with spinach leaves and ripe tomato slices on the side. Save to Pinterest
Freshly prepared Avocado Egg Salad Sandwich cut in half, revealing a hearty interior with spinach leaves and ripe tomato slices on the side. | basilhollow.com

This sandwich has become my answer to busy mornings and lazy weekends alike, proof that a few smart swaps can make something familiar feel entirely new. I hope it brings the same easy joy to your table.

Recipe FAQs

How do I achieve hard-boiled eggs with creamy yolks?

Bring eggs to a boil in cold water, then remove from heat and let stand covered for 10 minutes. Transfer immediately to an ice bath to stop the cooking process. This method ensures fully set whites with just-right yolks.

Can I prepare the filling ahead of time?

Yes, the egg salad mixture stores well in an airtight container for up to 4 hours. Assemble the sandwich just before serving to prevent the bread from becoming soggy.

What's the best way to keep the sandwich from getting soggy?

Layer greens directly on the bread first to create a moisture barrier, then add the egg salad mixture. Avoid adding tomatoes hours before serving, or pat them dry to reduce excess moisture.

How can I lighten this without using mayonnaise?

Greek yogurt provides creaminess and protein while reducing fat. You can replace mayonnaise entirely with additional Greek yogurt or sour cream for a tangier filling.

What vegetables work well as substitutes?

Crisp cucumbers, roasted red peppers, or fresh arugula complement the filling beautifully. Watercress adds peppery flavor, while radish slices provide pleasant crunch.

Is this suitable for meal prep?

Absolutely. Keep the filling and bread separate, then assemble individual sandwiches when ready to eat. The filling keeps well for 4 hours refrigerated, making it perfect for lunch boxes.

Avocado Egg Salad Sandwich

A fresh and creamy sandwich filled with egg salad, ripe avocado, and bright lemon. Ready in 25 minutes for an easy lunch.

Prep Time
15 minutes
Time to Cook
10 minutes
Overall Time
25 minutes
Recipe by Charlotte Adams


Skill Level Easy

Cuisine Type American

Makes 4 Number of Servings

Diet Considerations Vegetarian-Friendly

What You'll Need

Eggs

01 6 large eggs

Salad Base

01 1 ripe avocado
02 2 tablespoons plain Greek yogurt
03 1 tablespoon mayonnaise
04 1 tablespoon fresh lemon juice
05 1 teaspoon Dijon mustard
06 1 tablespoon chopped fresh chives
07 Salt and black pepper to taste

Sandwich Assembly

01 8 slices whole grain bread
02 1 cup baby spinach or lettuce leaves
03 1 medium tomato, sliced

Directions

Step 01

Prepare Hard-Boiled Eggs: Place eggs in a saucepan and cover with cold water. Bring to a boil, cover, remove from heat, and let stand for 10 minutes. Transfer eggs to an ice bath to cool completely, then peel and chop into bite-sized pieces.

Step 02

Create Avocado Base: In a large bowl, mash the avocado with Greek yogurt, mayonnaise, lemon juice, and Dijon mustard until smooth and well combined.

Step 03

Combine Salad Mixture: Gently fold chopped eggs, chives, salt, and black pepper into the avocado mixture. Stir until evenly distributed without overmixing.

Step 04

Assemble Sandwich Base: Lay out bread slices. Place spinach or lettuce on half the slices, followed by tomato slices if desired.

Step 05

Layer Salad and Top: Spoon avocado egg salad evenly over the greens on each bread slice. Top with remaining bread slices to close the sandwich.

Step 06

Finish and Serve: Serve immediately or wrap individually and refrigerate for up to 4 hours before serving.

Equipment Needed

  • Saucepan
  • Large mixing bowl
  • Fork or potato masher
  • Knife and cutting board
  • Ice bath or bowl with ice water

Allergy Notice

Review the ingredient list for possible allergy risks. If needed, check with a medical expert.
  • Contains eggs
  • Contains dairy from Greek yogurt and optional mayonnaise
  • Contains wheat from bread
  • Check all ingredient labels for potential hidden allergens and cross-contamination

Nutrition Details (per serving)

This data is for reference—always check with your doctor for health matters.
  • Calorie Count: 320
  • Total Fat: 14 g
  • Carbohydrates: 33 g
  • Proteins: 15 g