Preparing the Crispy Smashed Potatoes
- Preheat the oven to 400°F (200°C). Arrange the potatoes on a rimmed baking sheet and add the water.
- Cover tightly with aluminum foil and bake for 20 to 25 minutes, or until the water has evaporated and the potatoes are fork tender.
- Remove the baking sheet from the oven and carefully transfer the potatoes to a plate.
- Line the same baking sheet with parchment paper. Return the potatoes to the prepared baking sheet.
- Using the bottom of a glass or measuring cup, gently smash each potato to about ½ inch thick.
- Drizzle with the olive oil and season with the garlic powder, salt, and pepper.
- Bake for 25 to 30 minutes, flipping halfway through, until deeply golden and crisp around the edges.
Preparing the Green Goddess Spread
- Meanwhile, prepare the Green Goddess yogurt spread. Add the Greek yogurt, parsley, mixed herbs, chives, lemon juice, lemon zest, olive oil, capers, garlic, salt, and pepper to a food processor.
- Process until smooth and bright green.
- Set aside until ready to use.
Preparing the Sandwiches
- Whisk together the eggs and milk, if using.
- Lightly coat a large nonstick skillet with cooking spray or oil and pour in the eggs. Cook over medium-low heat until the eggs are almost set, gently lifting the edges with a spatula so the uncooked egg flows underneath.
- Once fully set but still tender, cut into four equal portions and fold each portion in half to create folded egg patties.
- Slice the ciabatta rolls in half and toast until lightly golden.
- Spread a generous layer of the Green Goddess yogurt spread on both halves of each toasted roll.
- Layer the bottom half of each roll with the arugula, folded eggs, crispy smashed potatoes, sliced avocado, and pickled onions.
- Finish with the top half of the roll and serve immediately.
Tips & Tricks
- Don’t worry about using every herb. Choose whichever soft herbs are freshest, easy to find, and fit your taste preferences. Parsley and dill create a classic Green Goddess flavor, while mint, cilantro, or tarragon each offer a delicious variation. Choose what you like and make it your own!
- Let the potatoes become deeply golden before removing them from the oven to maximize crispness.
- Toasting the rolls helps prevent the sandwich from becoming soggy.
- Season the avocado lightly with salt and pepper just before assembling for the best flavor.
- Short on time? Use leftover boiled or steamed baby potatoes, or cook them a day ahead and refrigerate until ready to use. Chilled potatoes are easier to smash, crisp up beautifully in the oven, and are a great way to reduce food waste while making meal prep even easier.
Time-Saving & Make-Ahead Tips
- Prepare the Green Goddess yogurt spread up to 3 days in advance. Store in an airtight container in the refrigerator.
- Cook the potatoes ahead of time, store them in an airtight container in the refrigerator up to 4 days, and then crisp them in the oven or air fryer just before serving.
- For the best flavor and texture, wait to cook the eggs. Freshly cooked folded eggs come together in just a few minutes.
- Slice the avocado, and assemble the sandwiches just before serving.
Reheating Instructions
Reheat the cooked potatoes in a 350°F (175°C) oven or air fryer for 5 to 8 minutes, or until hot and crispy. Toast the rolls before assembling and add the avocado, arugula, pickled onions, and Green Goddess yogurt spread just before serving.