Chinese Egg Sandwich Recipe: Wonton-Crusted Comfort with Runny Yolk Rivers

This Chinese egg sandwich recipe delivers the ultimate comfort food experience with crispy wonton-crusted bread, a perfectly fried egg, and rivers of golden yolk. 💛 The secret lies in the crispy, savory wonton bread that encases tender ham, fresh vegetables, and a rich hoisin mayo filling—creating a harmonious blend of textures and flavors that’s both nostalgic and satisfying.

What sets this recipe apart is the attention to detail, from frying the egg to the right consistency (runny yolk!) to assembling the sandwich in layers that hold together beautifully. The wonton bread, often found in Hong Kong-style egg sandwiches, adds a unique crunch that pairs perfectly with the creamy filling and soft egg.

By the time you take your first bite, you’ll experience a symphony of flavors—crispy bread, savory ham, fresh veggies, and the unmistakable richness of the egg and hoisin mayo. This recipe is designed to be both authentic and adaptable, so you can customize it with your favorite fillings or condiments.

The result is a sandwich that’s not just delicious but also deeply comforting, perfect for breakfast, brunch, or even a late-night snack. Let’s get started on creating this iconic dish that’s sure to become a favorite.

Ingredients for chinese egg sandwich

Crispy wontons, runny yolk magic, and savory fillings—this sandwich delivers comfort in every bite.

Wonton wrappers are the star here—look for the square ones at the Asian market or grocery store freezer section. Shin Ramyun or Nongshim brands are my go-to for that perfect crisp. Keep them frozen until ready to fry—no need to thaw. The eggs? Room temperature makes all the difference for that perfect runny yolk. Black Forest ham adds that classic sweetness, but any thinly sliced deli ham works in a pinch. For the hoisin, Lee Kum Kee is the gold standard, but any good brand will do.

No wonton wrappers? Thinly sliced baguette or croissant can work as a substitute, though the texture won’t be the same. Fresh out of hoisin? Mix 1 tbsp soy sauce + 1 tbsp brown sugar + 1 tsp vinegar for a quick fix. The mayo can be swapped for vegan mayo if needed, but trust me on the full-fat version for that creamy richness. Green onions add freshness—use the white parts for filling and the green for garnish. And if you’re feeling fancy, add a sprinkle of toasted sesame seeds on top before serving.

Fry the wontons in small batches to keep them crispy—don’t overcrowd the pan. The sandwiches reheat best in a toaster or air fryer for 2-3 minutes to revive the crunch. Store leftover fillings (ham, veggies, hoisin mix) in the fridge for 3 days—just fry fresh eggs as needed. The crispy wontons? Best eaten fresh, but you can reheat them in the oven at 350°F for 5 minutes if needed. Freezing isn’t ideal, but you can freeze the unassembled wonton shells for 1 month.

Step-by-step instructions for wonton-crusted egg sandwiches

Here's how to create crispy, golden wonton shells filled with rich egg and ham—just like your favorite Chinese takeout.

In a medium bowl, whisk together the 4 whole Large Eggs until the yolks and whites are fully combined and frothy. This ensures a smooth, creamy texture when cooked. In a separate small bowl, mix the 0.25 cup Hoisin Sauce, 0.25 cup Mayonnaise, 1 tbsp Sesame Oil, 1 tsp White Rice Vinegar, 0.5 tsp Sugar, 0.5 tsp Salt, and 0.25 tsp Black Pepper. Taste and adjust seasoning if needed.

Add the 4 oz Deli Ham to the egg mixture and stir gently to distribute evenly. Fold in 0.25 cup Green Onions (both white and green parts), reserving a few slices for garnish. This filling should be thick but still pourable—if it's too stiff, add 1 teaspoon water to loosen it slightly. The mixture should look like a rich, savory custard ready to be encased in crispy wontons.

Place the 8 pieces Wonton Wrappers on a clean, flat surface. Using a pastry brush or your fingers, lightly coat each wrapper with vegetable oil spray—this helps create that signature crispy texture. Place 1 tablespoon of the egg-ham mixture in the center of each wrapper, leaving about ½ inch of space around the edges.

Fold the wonton in half diagonally to form a triangle, then press firmly along the edges with your fingers or a fork to seal tightly. The goal is to create a watertight pocket that won't leak when fried. Arrange the assembled wontons on a plate, leaving space between them so they don't stick together. If any filling leaks out during assembly, simply wipe it up—it'll be delicious on the side!

Heat 0.5 cup Neutral Oil in a large skillet over medium-high heat until it shimmers but isn't smoking. You want the oil hot enough to sizzle when the wontons hit it—this creates that irresistible crispy crust. Working in batches (don't overcrowd the pan), carefully slide the wontons into the oil, flat-side down.

Fry for 2-3 minutes per side until golden brown and deeply crispy. The wontons are ready when they float slightly in the oil and the edges curl at the corners. Use a slotted spoon to transfer them to a paper towel-lined plate to drain excess oil. Keep the fried wontons warm in a 200°F oven while you fry the remaining batches. If the oil starts to cool down, add a little more neutral oil to maintain the right temperature.

Cut each wonton sandwich diagonally into two triangles for easy handling. The key to the perfect bite is serving them immediately while the yolks are still runny. Arrange 2 wonton sandwiches per serving on a plate, garnished with the reserved green onion slices. For extra richness, drizzle a little more hoisin sauce or a sprinkle of sesame seeds on top.

These sandwiches are best enjoyed fresh out of the fryer—crispy on the outside, creamy and runny on the inside. The wonton crust should hold its shape while still being tender enough to bite through easily. If the yolks start to set too quickly, simply reheat them in a dry skillet for 10-15 seconds to restore that perfect custard-like texture. Serve with a side of pickled vegetables or a simple cucumber salad for balance.

Regional styles of chinese egg sandwich

Hong Kong-Style

This version features crispy, rectangular wonton bread that’s slightly thicker than traditional triangular wontons. The filling is packed with thinly sliced Black Forest ham, crispy fried shallots, and a hoisin-mayo sauce that’s slightly sweeter. The key trick? Frying the wonton bread in vegetable oil at 350°F until golden brown—just like the ones from Hong Kong’s legendary egg sandwich shops. Serve with a side of sweet chili sauce for dipping. 🌟

Singaporean Twist

In Singapore, the egg sandwich often includes crispy fried egg bits mixed into the filling for extra texture. Use Kewpie mayo instead of regular mayo for a lighter, tangier base, and add diced cucumber for freshness. The wonton wrappers here are sometimes brushed with egg wash before frying for an extra-crispy crust. Garnish with toasted sesame seeds and a sprinkle of white pepper for a subtle kick. 🌶️

Taiwanese Egg Sandwich

Taiwanese-style versions often use soft, steamed buns instead of wontons, filled with scrambled eggs, diced ham, and a sweet bean sauce instead of hoisin. For a hybrid approach, fry the wonton wrappers until deep golden brown, then stuff them with soft scrambled egg and pickled red onions for a tangy contrast. The sauce here is usually a mix of soy sauce, sugar, and a touch of vinegar for balance. 🍚

Modern Fusion

Elevate the classic with a spicy mayo (mix mayo with sriracha or chili crisp) or add crumbled bacon and avocado slices for a brunch-worthy twist. Some versions even include kimchi for a Korean-Chinese fusion flavor. For a vegetarian option, swap the ham for mushrooms and tofu, keeping the hoisin-mayo sauce for that signature taste. 💡

Street Food Version

For a quick, no-fry version, use store-bought croissants or baguette slices as the bread. Spread with hoisin-mayo, add scrambled eggs, and top with crispy fried shallots. Toast in a pan for 1-2 minutes per side until golden. This version is perfect for late-night cravings or when you’re short on time. 🔥

Dietary Adaptations

For a gluten-free version, use rice paper wrappers or gluten-free wonton wrappers (like King Arthur’s brand). For vegan, replace the eggs with tofu scramble and use vegan mayo and hoisin substitute (soy sauce + brown sugar). Keep the crispy texture by frying the wrappers in oil as usual. 🌱

Frequently asked questions