Entree: United States – Classic Tuna Macaroni Casserole
Food safety reminder: Follow safe food-handling practices and use a food thermometer to verify safe internal cooking temperatures.
Serving Size: 6
Approximate Time
Prep
15 min
Cook
25 min
Additional
5 min
Total
45 min
Ingredients
- 8 oz (225 g) macaroni (uncooked) - 2 cans Canned Tuna Fish, approx. 5 oz (142 g) each, drained - 1 medium Yellow Onion, approx. 6 oz (170 g), finely chopped - 2 cups (226 g) shredded Cheddar Cheese - 1 cup (120 g) Breadcrumbs
Instructions
1. Preheat the oven to 375°F (190°C). Cook the macaroni according to package directions until al dente; drain. 2. In a large ovenproof skillet or bowl, combine cooked macaroni, drained canned tuna, and chopped yellow onion; stir in 1 1/2 cups (170 g) shredded Cheddar Cheese until evenly mixed. 3. Transfer mixture to a baking dish if not using an ovenproof skillet; sprinkle remaining 1/2 cup (56 g) shredded Cheddar Cheese evenly over the top, then distribute breadcrumbs across the surface. 4. Bake for 20–25 minutes until cheese is melted and breadcrumbs are golden and crisp. Let rest 5 minutes before serving.
Estimated Nutritional Information*
Per serving | Servings: 6
Calories: 383 kcal
Carbohydrates: 46 g
Protein: 16.6 g
Fat: 14.5 g
Saturated fat: 7.6 g
Cholesterol: 38 mg
Sodium: 396 mg
Potassium: 193 mg
Calcium: 317 mg
Iron: 2.32 mg
Vitamin A: 119 µg RAE
Nutrition estimated: November 5, 2026
*Values are estimates based on USDA data and mathematical calculations. Actual values may vary. Where data are unavailable, those contributions are excluded. Calories, Carbohydrates, Protein, Fat, Saturated fat, Cholesterol, Sodium, Potassium, Calcium, Iron and Vitamin A are known subtotals. Missing contributions are unknown, not zero.