
A Grilled Sweet Onion Sandwich is a warm, savory sandwich featuring caramelized sweet onions as the star ingredient, often paired with melted cheese and served on toasted bread. It is a simple, comforting dish popular in American home cooking and diners, especially in regions where sweet onions like Vidalias are grown. The onions are typically sliced and cooked slowly until golden and sweet before being assembled into the sandwich.
🍳 View the full Grilled Sweet Onion Sandwich recipe →
This sandwich is moderate in carbohydrates from the bread, with a good amount of fat from the cheese and any butter or oil used for grilling. It provides some protein from the cheese and offers nutrients like vitamin C, antioxidants, and fiber from the onions, with a rough calorie range of 350-500 per serving depending on portion size and ingredients.
| Calories | 420 kcal |
| Protein | 15 g |
| Carbs | 48 g |
| Fat | 18 g |
| Fiber | 4 g |
| Sugar | 10 g |
| Sodium | 680 mg |
| Potassium | 280 mg |
| Calcium | 120 mg |
| Iron | 3.2 mg |
| Magnesium | 35 mg |
| Phosphorus | 180 mg |
| Vitamin C | 8 mg |
| Vitamin B6 | 0.3 mg |
| Folate | 65 mcg |
Per 1 sandwich (220 g) · estimated, varies by recipe
Culturally, this sandwich celebrates the natural sweetness of onions, which intensifies when cooked, making it a favorite in Southern U.S. cuisine where sweet onions are a local specialty. Nutritionally, the caramelization process enhances the onions' flavor without added sugars, offering a naturally sweet yet savory option that's both satisfying and relatively simple.
AI estimate may be inaccurate · Terms