
Japanese Tamago Sando is a beloved egg salad sandwich, typically made with soft, crustless white bread (shokupan), a creamy filling of mashed hard-boiled eggs, Japanese mayonnaise (Kewpie), and a touch of seasoning. It's a staple of Japanese convenience stores (konbini) and cafes, representing a refined take on a simple comfort food.
This sandwich is generally high in fat and protein due to the egg and mayonnaise, with moderate carbohydrates from the soft white bread. A standard serving provides around 400-500 calories, offering a good source of protein and vitamins like B12 and choline from the eggs.
| Calories | 380 kcal |
| Protein | 13 g |
| Carbs | 34 g |
| Fat | 20 g |
| Fiber | 2 g |
| Sugar | 5 g |
| Sodium | 650 mg |
| Vitamin A | 120 µg RAE |
| Vitamin D | 1.5 µg |
| Vitamin B12 | 0.8 µg |
| Riboflavin (B2) | 0.25 mg |
| Folate | 55 µg DFE |
| Calcium | 100 mg |
| Iron | 1.8 mg |
| Selenium | 18 µg |
Per 1 sandwich (approx. 150 g) · estimated, varies by recipe
What makes it unique is the use of Kewpie mayonnaise, which is richer and slightly sweeter than Western varieties, and the cultural emphasis on perfect, cloud-like texture and visual neatness, turning a humble sandwich into an iconic example of Japanese 'depachika' (food hall) craftsmanship.