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Fried egg sandwich with mashed avocado on a toasted english muffin with spinach leaves

10-Minute Avocado Egg Sandwich

  • Author: Alex Aldeborgh
  • Prep Time: 5 minutes
  • Cook Time: 5 minutes
  • Total Time: 10 minutes
  • Yield: 2 egg sandwiches 1x
  • Category: breakfast
  • Cuisine: American
  • Diet: Vegetarian


This vegetarian breakfast sandwich is such a delicious way to enjoy avocado. You need just about 10 minutes to prepare the flavorful and healthy fried egg sandwich. This egg sandwich is delicious on a toasted english muffin or your favorite bread!


  • 1 ripe avocado
  • 2 green onions, white and light green parts thinly sliced
  • 1 tbsp lemon juice
  • Kosher Salt
  • Pepper
  • 2 tsp olive oil
  • 2 large eggs
  • 2 English muffins
  • 2 tsp butter
  • 1/2 cup baby spinach


  1. Scoop the avocado into a small mixing bowl. Add sliced green onions, lemon juice, a generous pinch of Kosher salt, and a grind of pepper. 
  2. Mash the avocado up with a fork until smooth, as if you were making guacamole. Set aside.
  3. Heat up olive oil in a medium nonstick skillet over low-medium heat.
  4. Crack eggs into the heated skillet. Cook for 1-2 minutes, until the whites are mostly set, but there are still some areas that are uncooked. Season eggs with salt and pepper.
  5. Place a lid over the skillet with the eggs. Keep the lid on for 30 seconds for runny eggs or 1-2 minutes for hard eggs.
  6. Remove the lid and turn off the heat. 
  7. While the eggs are cooking, toast the English muffins. Spread a little butter on each side.
  8. Assemble the egg sandwiches: add half the mashed avocado to the bottom of each English muffin, followed by a fried egg, 4-5 leaves of baby spinach, and the top of the muffin.


Recipe variations and substitutions

  • Instead of English muffin, use your favorite bread such as sourdough or multigrain.
  • Make it spicy by adding a drizzle of your favorite hot sauce to the egg sandwich.
  • Swap arugula for baby spinach.
  • Use chives, or another fresh herb, instead of green onions.
  • Make it vegan by using a vegan egg replacement or a slice of pan fried tofu in place of the egg, and vegan butter to butter the english muffin.

Keywords: avocado egg sandwich, how to fry an egg, vegetarian breakfast sandwich