Custard-Filled Iced Long John
The Custard-Filled Iced Long John is a classic American doughnut, specifically a yeast-raised, rectangular bar that is deep-fried and then filled with a sweet, creamy custard. It is typically topped with a simple sugar glaze or icing, often vanilla or maple-flavored, and served chilled or at room temperature. This indulgent treat is a staple in doughnut shops and bakeries across the United States.
🍽️ Nutrition at a glance
This is a high-carb and high-fat treat, providing a significant amount of energy primarily from refined flour and sugar, with minimal protein. A single serving can easily contain over 400 calories, making it an occasional indulgence rather than a nutritional staple.
Nutrition breakdown
| Calories | 420 kcal |
| Protein | 5 g |
| Carbs | 52 g |
| Fat | 22 g |
| Fiber | 1 g |
| Sugar | 28 g |
| Sodium | 310 mg |
| Iron | 2.5 mg |
| Calcium | 60 mg |
| Potassium | 100 mg |
| Vitamin A | 120 mcg |
| Vitamin D | 0.5 mcg |
| Thiamin (B1) | 0.2 mg |
| Niacin (B3) | 1.8 mg |
| Folate | 60 mcg |
Per 1 doughnut (110 g) · estimated, varies by recipe
💡 What's interesting
Culturally, the Long John is an iconic part of American doughnut culture, often associated with breakfast or a sweet snack. Its unique feature is the hidden pocket of rich, smooth custard, which provides a contrasting texture and flavor to the light, airy dough and sweet glaze.
