How Many Calories In A Tuna Sandwich

A tuna sandwich is a popular, protein-packed choice for lunch or a quick snack, but if you're watching your calorie intake, you might wonder, “How many calories are in a tuna sandwich?” The answer depends on how it’s made.

On average, a basic tuna sandwich with two slices of white bread, about 3 ounces of canned tuna (in water), and a tablespoon of mayonnaise contains approximately 350-400 calories. Opting for whole-grain bread can add important nutrients like fiber without drastically changing the calorie count. Additional toppings like lettuce, tomato, or cheese can slightly increase the calorie total, while choosing low-fat mayonnaise or Greek yogurt instead of regular mayo can reduce it.

Keep in mind, calorie counts vary depending on portion sizes and ingredient choices. If you include extras like avocado, pickles, or spreads, your tuna sandwich could easily exceed 500 calories. Want to lower the calorie count? Use tuna canned in water instead of oil and skip the mayo altogether.

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