avocado cucumber sandwich sushi healthy mayo homemade

Avocado and Cucumber Sandwich | Sushi in a Sandwich

As you may know, the perfect avocado is rather elusive in India, so when my mom finds a good one we usually rejoice and drop all other ideas for meals for something avocado-based. That’s exactly what happened last week. We made an avocado and cucumber sandwich with flavors masquerading as sushi.

It’s been a sauna here in Bombay the last week or two – the rains had mostly disappeared until last night. The best way to use the avocado was a sandwich paired with a salad for lunch. I didn’t want to add egg to the sandwich or a classic ‘A.L.T.’ (avocado-lettuce-tomato) either. I snooped around in the fridge and found a cucumber and then the idea hit me. I love avocado and cucumber together in sushi – and with a little dollop of sriracha mayo it is perfect. AND Cucumber is cooling as well – so I put it all together and decided to do “sushi in a sandwich” i.e. avocado and cucumber sandwich with sriracha mayo. Yum!

avocado cucumber sandwich sushi healthy mayo homemade

If you read labels like I do, you’d know about all the scary additives, coloring and preservatives in store-bought mayo (especially in India). I have a fear of hydrogenated oils so I usually avoid it. I’ve been meaning to make my own mayo for a while; it’s not something I eat on a regular basis, but every once in a while it adds so much to a simple sandwich or a veggie burger.

I scoured the net for recipes for homemade mayonnaise: essentially mayo is egg yolks, lemon juice and neutral flavored oil blended together. That brings us to another fear of mine – raw eggs. I’m averse to them – even the low risk of salmonella just puts me off. Again, I scoured the Internet for ways to pasteurize an egg for mayo. The microwave method just seemed too tedious – three whisks, separating the yolks and having to use two eggs, cling wrap going in the microwave… it all just didn’t sound good to me. I decided to use a whole egg and pasteurize it in boiling hot water for three and a half minutes. A little bit of the white had begun to cook but after blending you wouldn’t be able to tell. It was perfect – and you can take that mayo as a base and go anywhere with it.

I made a little honey mustard sauce and sriracha mayo for my sandwiches; you can try an aioli too. Or if you don’t want to use mayo at all – read my recipe for a greek yogurt based aioli and use that instead!

Sushi in a Sandwich: Avocado, Cucumber and Sriracha Mayo
Recipe type: Sandwich
Cuisine: Sandwich
Prep time: 
Cook time: 
Total time: 
Serves: 4 sandwiches
  • 1 avocado, sliced
  • Juice of ½ lemon
  • Salt and pepper, to taste
  • 1 cucumber, sliced
  • 8 slices of bread
For the mayo:
  • 1 egg
  • ½ cup neutral flavor oil (see notes)
  • Juice of ½ lemon
  • A pinch of salt
For the honey mustard:
  • 3 tbsp mayo
  • 1 tsp mustard
  • 1 tsp honey
For the sriracha mayo:
  • 3 tbsp mayo
  • 1 tsp Sriracha brand sauce or any other hot sauce
For the mayo:
  1. Pasteurize the egg by placing it in boiling hot water for three and a half minutes (not on a flame, just in water) - the water should cover the egg.
  2. Remove from the water immediately and crack the egg into a bowl.
  3. Add the juice of half a lemon and a pinch of salt, followed by the oil. I used rice bran oil but you can use olive oil (not extra virgin as the flavor is strong), almond oil, avocado oil, whatever you have that is neutral.
  4. Using an emulsion blender, push the blender to the bottom of the dish and start blending. Blend for about 5 minutes or until creamy and fully blended.
For the honey mustard:
  1. Mix the ingredients together.
For the sriracha mayo:
  1. Mix the ingredients together.
To put together the sandwich:
  1. After slicing the avocado, squeeze half a lemon to avoid oxidation.
  2. Lightly toast the bread.
  3. Spread one tsp of sriracha mayo on one piece of bread and one tsp of honey mustard on the other piece.
  4. Top one piece with avocado, cucumber, salt and pepper.
  5. Close the sandwich with the other piece of bread.
  6. Repeat for additional sandwiches.

avocado cucumber sandwich sushi healthy mayo homemade

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