Is tuna melt keto?

Tuna melt

Not keto No — tuna melt is not keto-friendly.

Tuna salad and melted cheddar on grilled bread — about 27 g net carbs, nearly all from the bread. Melt the tuna and cheese on a halved bell pepper or a portobello cap instead.

Nutrition per serving

1 sandwich · 160 g
Net carbs
27g
Calories
454kcal
Protein
21g
Fat
29g
Total carbs
29 g
Fiber
1.6 g
One serving vs. a 20 g daily net-carb limit 135%

About 29.6 g of tuna melt adds up to 5 g net carbs — about 18% of a typical serving.

Nutrition facts for tuna melt
NutrientPer servingPer 100 g
Calories454 kcal284 kcal
Total carbohydrate29 g18 g
Dietary fiber1.6 g1 g
Net carbs27 g17 g
Protein21 g13 g
Fat29 g18 g

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Better keto swaps for tuna melt

Keto substitutes for bread 7 alternatives with carb comparisons and recipes Read guide

Frequently asked questions

Is tuna melt keto?

No — tuna melt is not keto-friendly. Tuna salad and melted cheddar on grilled bread — about 27 g net carbs, nearly all from the bread. Melt the tuna and cheese on a halved bell pepper or a portobello cap instead.

How many net carbs are in tuna melt?

1 sandwich (160 g) of tuna melt has about 27 g net carbs (29 g total carbs minus 1.6 g fiber). Per 100 g, that's 17 g net carbs.

How much tuna melt can I eat on keto?

About 29.6 g of tuna melt adds up to 5 g net carbs — about 18% of a typical serving. On a typical 20 g daily limit, one serving uses about 135% of your carbs.

What is a good keto substitute for tuna melt?

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Source: Calculated from USDA SR Legacy ingredients for a typical recipe: 2 slices white bread, tuna salad (canned tuna, mayonnaise, celery), cheddar and butter. Net carbs = total carbohydrate − fiber. Rating: Not keto — More than about 10 g net carbs per typical serving. Swap it for a low-carb alternative. How we rate foods. Last reviewed October 18, 2026.

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