Tuna melt on a bagel

A tuna melt on a bagel is a warm, open-faced sandwich featuring tuna salad (typically canned tuna mixed with mayonnaise and seasonings) topped with melted cheese, served on a sliced and toasted bagel. It's a classic comfort food staple in American diners and delis, particularly popular in the Northeastern United States.

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🍽️ Nutrition at a glance

This dish is a balanced but calorie-dense meal, providing a good amount of protein from the tuna and cheese, along with fats from the mayonnaise and cheese, and carbohydrates from the bagel. A typical serving can range from 400 to 600 calories, offering nutrients like omega-3s, calcium, and B vitamins.

Nutrition breakdown

Calories	450 kcal
Protein	30 g
Carbs	40 g
Fat	18 g
Fiber	3 g
Sugar	6 g
Sodium	900 mg
Calcium	200 mg
Iron	3 mg
Potassium	400 mg
Vitamin B12	2.5 mcg
Niacin (B3)	10 mg
Selenium	50 mcg
Phosphorus	300 mg
Vitamin D	1 mcg

Per 1 bagel sandwich (approx. 200 g) · estimated, varies by recipe

💡 What's interesting

The tuna melt is a quintessential example of mid-20th century American culinary innovation, blending the convenience of canned tuna with the hearty appeal of a grilled cheese sandwich. Nutritionally, it's a unique hybrid that delivers both the lean protein of fish and the indulgent, melty comfort of a hot sandwich.