Jacket Potato with Tuna

A Jacket Potato with Tuna is a classic British comfort food featuring a whole baked potato, split open and generously filled with a creamy tuna mayonnaise mixture. It typically includes canned tuna, mayonnaise, and sometimes sweetcorn, celery, or red onion, all served warm inside the fluffy potato. This simple, hearty dish is a staple in UK cafes, pubs, and home kitchens.

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🍽️ Nutrition at a glance

This dish is high in carbohydrates from the potato and provides a good amount of protein from the tuna, with a moderate amount of fat depending on the mayonnaise used. A typical serving offers a solid balance of energy, protein, and essential nutrients like potassium, vitamin B12, and omega-3 fatty acids, with a rough calorie range of 450-600 per serving.

Nutrition breakdown

Calories	450 kcal
Protein	35 g
Carbs	45 g
Fat	12 g
Fiber	7 g
Sugar	3 g
Sodium	600 mg
Potassium	1200 mg
Phosphorus	450 mg
Vitamin B6	0.8 mg
Niacin (B3)	12 mg
Vitamin B12	2.5 mcg
Selenium	55 mcg
Magnesium	80 mg
Iron	2.5 mg

Per 1 medium jacket potato (200g) with 1 can (100g) tuna in water, no added salt · estimated, varies by recipe

💡 What's interesting

Culturally, it's a beloved example of British 'comfort food' that evolved from the practical use of canned tuna, a pantry staple. Nutritionally, it's interesting as a complete, satisfying meal that combines complex carbs, lean protein, and healthy fats in a simple, accessible format.