⏱ 50 min total

Cheesy Tuna Casserole

Name: Cheesy Tuna Casserole
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 1 serving
Ingredients: ⅓ cup, pieces Green beans; ¹⁄₁₆ lb White mushrooms; ³⁄₁₆ stalk, small Celery; ⅓ tbsp chopped Onion; ⅓ tbsp Butter; ¹⁄₁₆ cup Chicken broth; ⅛ cup, fluid Heavy whipping cream; ³⁄₁₆ dash Salt; ³⁄₁₆ dash Black pepper; ⅓ can Light tuna; ⅝ cup, shredded Cheddar cheese

Per 1 serving · 237 g · 11 ingredients

Calories

482

24%
of a 2,000 cal day

Protein
29g
24% of calories
Carbs
5.2g
4% of calories
Fat
39g
72% of calories

Portion

✓ Keto-friendly

At a glance

One serving of Cheesy Tuna Casserole (237 g) has 482 calories, with 29 g of protein, 5.2 g of carbohydrates and 39 g of fat. Most of its energy comes from fat (72% of calories). It is high in protein (59% DV), Vitamin A (40% DV) and riboflavin (b2) (36% DV). Keep an eye on sodium, saturated fat and cholesterol, which provide 30%, 114% and 47% of the daily value.

Per 100 g

203cal

medium energy density

Protein per 100 cal

6.1g

Net carbs

carbs minus fiber

Fiber

1.2g

2.8 g sugar

High in

20%+ of the daily value

Protein59%
Vitamin A40%
Riboflavin (B2)36%
Niacin41%
Vitamin B620%
Vitamin B1286%

Good source of

10–19% of the daily value

Pantothenic acid17%
Iron18%
Magnesium11%
Copper18%

Watch

20%+ of the daily value

Sodium30%
Saturated fat114%
Cholesterol47%

Ingredients

For one serving. Tap an ingredient to see its nutrition.

Directions

Prep 20 minCook 30 min

1
Preheat the oven to 400°F.
2
Steam green beans until crisp-tender, 4–6 minutes, then drain.
3
Melt the butter in a skillet over medium heat. Add the sliced mushrooms, chopped celery, and onion; cook, stirring occasionally, until very soft and lightly browned.
4
Pour in the chicken broth and bring to a boil; simmer until reduced by about half. Stir in the heavy cream, return to a gentle boil, then reduce heat and cook, stirring often, until the sauce thickens. Season with salt and black pepper to taste.
5
In a large bowl, combine the drained tuna, green beans, and the mushroom cream sauce. Fold in the shredded cheddar cheese until evenly mixed.
6
Transfer the mixture to a 1½- to 2-quart casserole dish and bake until hot and bubbly with lightly browned spots on top, about 20–25 minutes. Let rest 5 minutes before serving.

Vitamins & minerals

Amounts for 1 serving (237 g). Bars show % of the daily value.

Vitamins

Nutrient	Amount	% Daily Value
Vitamin A	358 μg	40%
Vitamin C	5 mg	6%
Vitamin D	1 μg	9%
Vitamin E	1 mg	9%
Vitamin K	9 μg	8%
Thiamine	0.1 mg	8%
Riboflavin (B2)	0.5 mg	36%
Niacin	7 mg	41%
Vitamin B6	0.3 mg	20%
Folate (B9)	37 μg	9%
Vitamin B12	2 μg	86%
Pantothenic acid	1 mg	17%
Choline	42 mg	8%

Minerals

Nutrient	Amount	% Daily Value
Calcium	512 mg	51%
Iron	1 mg	18%
Potassium	321 mg	7%
Magnesium	44 mg	11%
Phosphorus	454 mg	65%
Zinc	3 mg	27%
Copper	0.2 mg	18%
Manganese	0.1 mg	4%
Selenium	61 μg	110%

Full breakdown · 43 more nutrients

Nutrient	Amount	% Daily Value
Alanine	1 g	—
Alpha Linolenic Acid (ALA)	0.1 g	—
Alpha carotene	23 μg	—
Arginine	1 g	—
Aspartic acid	2 g	—
Beta carotene	222 μg	—
Caffeine	0 mg	—
Cystine	0.2 g	—
Docosahexaenoic Acid (DHA)	0.1 g	—
Docosapentaenoic Acid (DPA)	0 g	—
Eicosapentaenoic Acid (EPA)	0 g	—
Fluoride	42 μg	—
Fructose	1 g	—
Galactose	0.1 g	—
Glucose	1 g	—
Glutamic acid	5 g	—
Glycine	1 g	—
Histidine	1 g	—
Hydroxyproline	0 g	—
Isoleucine	1 g	—
Lactose	0.1 g	—
Leucine	2 g	—
Lycopene	0 μg	—
Lysine	2 g	—
Maltose	0 g	—
Methionine	1 g	—
Monounsaturated fats	10 g	—
Phenylalanine	1 g	—
Polyunsaturated fats	2 g	—
Proline	2 g	—
Retinol	338 μg	—
Serine	1 g	—
Starch	0.3 g	—
Sucrose	0.1 g	—
Theobromine	0 mg	—
Threonine	1 g	—
Total omega 3	0.2 g	—
Total omega 6	1 g	—
Tryptophan	0.5 g	—
Tyrosine	1 g	—
Valine	2 g	—
Vitamin D2	0 μg	—
Vitamin D3	1 μg	—

Burning 482 calories

Estimated for a 70 kg (154 lb) adult using MET values from the Compendium of Physical Activities.

91min
Walking (3.5 mph)
58min
Cycling (moderate)
40min
Running (6 mph)
68min
Swimming laps

Common questions

How many calories are in Cheesy Tuna Casserole?

One serving of Cheesy Tuna Casserole (1 serving) has 482 calories, which works out to 203 calories per 100 g. That is about 24% of a 2,000-calorie day.

Is Cheesy Tuna Casserole high in protein?

It provides a solid 29 g of protein per serving (59% of the 50 g daily value), but protein supplies only 24% of its calories, so it is not a protein-dense food. Foods where protein provides 30% or more of calories are generally considered protein-dense.

Is Cheesy Tuna Casserole keto-friendly?

It can fit a ketogenic diet: 4 g of net carbs per serving, with carbs making up 4% of calories.

How much sodium is in Cheesy Tuna Casserole?

698 mg per serving, which is high (20% or more of the 2,300 mg daily value).

How much sugar is in Cheesy Tuna Casserole?

2.8 g of total sugars per serving. Labels list total sugars, which include natural sugars from fruit and milk as well as any added sugars.

Nutrition Facts

Serving size1 serving (237 g)

Calories482

% Daily Value*

Total fat 39g	50%
Saturated fat 23g	114%
Trans fat 1g
Cholesterol 142mg	47%
Sodium 698mg	30%
Total carbohydrate 5.2g	2%
Dietary fiber 1.2g	4%
Total sugars 2.8g
Protein 29g

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

How we calculate this

% Daily Values use FDA reference amounts for a 2,000-calorie diet. The calorie split uses 4 kcal/g for protein and carbs and 9 kcal/g for fat. Claims such as “low sodium” follow FDA thresholds for the serving shown.

Our methodology

Updated October 13, 2026 · Not medical advice

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