Sweet Onion Chicken Sub

The Sweet Onion Chicken Sub is a popular American-style submarine sandwich, typically featuring tender grilled or roasted chicken breast, a generous layer of sweet caramelized onions, and often melted cheese, served on a long, soft sub roll. It's a staple in many delis, sandwich shops, and casual restaurants across the United States, known for its satisfying combination of savory and sweet flavors.

🍳 View the full Sweet Onion Chicken Sub recipe →

🍽️ Nutrition at a glance

This sub is a good source of protein from the chicken, but can be high in carbohydrates from the bread and potentially high in fat depending on the cheese, sauces, and cooking method used for the onions. A typical serving provides a substantial amount of calories, likely ranging from 500 to 800 calories, along with key nutrients like B vitamins, iron, and calcium.

Nutrition breakdown

Calories	480 kcal
Protein	28 g
Carbs	48 g
Fat	18 g
Fiber	3 g
Sugar	8 g
Sodium	1120 mg
Potassium	350 mg
Iron	4.5 mg
Calcium	180 mg
Vitamin C	12 mg
Vitamin A	80 mcg RAE
Thiamin (B1)	0.5 mg
Niacin (B3)	7 mg
Phosphorus	250 mg

Per 1 sub (240 g) · estimated, varies by recipe

💡 What's interesting

The dish highlights a classic American culinary technique of using slow-cooked onions to create a deep, natural sweetness that balances the savory protein, making it a comfort food favorite. Nutritionally, the sweet onions offer antioxidants and prebiotic fiber, which can support digestive health, adding a beneficial element to the hearty sandwich.