Tuna Gratin

Tuna Gratin is a comforting baked dish, typically featuring canned tuna mixed with a creamy sauce, often combined with vegetables like peas or onions, and topped with a layer of cheese or breadcrumbs before being browned in the oven. It is a popular home-style meal in many Western countries, particularly in the United States and parts of Europe, where it evolved as a convenient and hearty way to use pantry staples.

🍽️ Nutrition at a glance

This dish is generally high in protein from the tuna and dairy, with a significant amount of fat from the creamy sauce and cheese, while its carbohydrate content depends on the base (like pasta or potatoes) and toppings. A single serving can provide a good source of omega-3 fatty acids, calcium, and B vitamins, with a calorie range typically between 400 to 600 calories.

Nutrition breakdown

Calories	450 kcal
Protein	28 g
Carbs	30 g
Fat	22 g
Fiber	2 g
Sugar	4 g
Sodium	680 mg
Vitamin D	2.5 mcg
Calcium	250 mg
Iron	2.2 mg
Potassium	380 mg
Vitamin B12	4.5 mcg
Phosphorus	320 mg
Selenium	55 mcg
Zinc	2.8 mg

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

💡 What's interesting

Tuna Gratin is a classic example of mid-20th century 'convenience cooking,' showcasing how canned goods were transformed into satisfying family meals. Nutritionally, it offers a practical balance of protein and healthy fats, making it a popular choice for a quick, protein-rich dinner that feels indulgent yet is relatively simple to prepare.