01 - Whisk together eggs, milk, salt, and white pepper in a large bowl until smooth and fully combined.
02 - Add bean sprouts, carrots, green onions, mushrooms, bell pepper, and chosen protein to egg mixture. Stir thoroughly to distribute evenly.
03 - Heat 2-3 tablespoons vegetable oil in a large nonstick skillet or wok over medium-high heat until shimmering.
04 - Scoop approximately 1/2 cup egg mixture per patty into hot pan, flattening gently. Fry 2-3 patties at a time, cooking 2-3 minutes per side until golden brown and crispy. Transfer to paper towel-lined plate.
05 - Repeat with remaining egg mixture, adding more oil as needed to maintain proper frying conditions.
06 - Combine chicken broth, soy sauce, oyster sauce, sesame oil, and white pepper in a small saucepan. Bring to a simmer over medium heat.
07 - Mix cornstarch with cold water to form a smooth slurry. Stir into simmering sauce and cook for 1-2 minutes until thickened and glossy.
08 - Plate hot Egg Foo Young patties and drizzle generously with savory gravy for immediate serving.