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Tabitha Cantu
By Tabitha Cantu

Ranchero Style Tuna Casserole

7 steps
Prep:15minCook:25min
Updated at: Sat, 01 Nov 2025 19:32:29 GMT

Nutrition balance score

Unbalanced
Glycemic Index
53
Low
Glycemic Load
26
High

Nutrition per serving

Calories476.3 kcal (24%)
Total Fat20.5 g (29%)
Carbs49.5 g (19%)
Sugars1.4 g (2%)
Protein23.4 g (47%)
Sodium975.2 mg (49%)
Fiber2.2 g (8%)
% Daily Values based on a 2,000 calorie diet

Instructions

Step 1
Heat oven to 425°F.
Step 2
Spray microwave-safe 9x13-inch baking pan with nonstick cooking spray.
Step 3
Combine noodles and 2 cups water in microwave-safe bowl; toss to coat noodles. Cover bowl with plastic wrap and cook in microwave oven for 6 minutes on high power, stirring twice during the cooking time. Noodles will be tender.
Step 4
Add 1/2 cup fried onions, tomatoes, mushroom soup, flaked tuna and 1 cup shredded cheese to cooked noodles.
Step 5
Evenly spread tuna noodle mixture in prepared baking dish. Top casserole with remaining shredded cheese and fried onions.
Step 6
Cover casserole with plastic wrap and heat in microwave for 4 minutes.
Step 7
Remove plastic wrap and bake on center oven rack for 15 minutes or until cheese is bubbly.

Notes

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