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Skinny Tuna Noodle Casserole - Healthy Comfort Food Made Lighter

This skinny tuna noodle casserole uses smart ingredient swaps like Greek yogurt and whole wheat noodles to create a lighter, healthier version of the classic comfort food. It's a satisfying, creamy casserole that comes together in under an hour, perfect for busy weeknights.
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Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings: 6 servings
Calories: 320
Ingredients Method Notes

Ingredients
  

Ingredients
  • 8 oz whole wheat egg noodles
  • 2 cans (5 oz each) tuna in water, drained
  • 1 cup plain Greek yogurt
  • 1 cup low-fat milk
  • 1 cup frozen peas
  • 1/2 cup diced celery
  • 1/2 cup diced onion
  • 2 cloves garlic, minced
  • 1/2 cup shredded reduced-fat cheddar cheese
  • 1/4 cup whole wheat breadcrumbs
  • 1 tbsp olive oil
  • 1 tsp Dijon mustard
  • 1/2 tsp paprika
  • Salt and pepper to taste
  • Fresh parsley for garnish

Method
 

Instructions
  1. Preheat your oven to 375°F (190°C). Cook the whole wheat egg noodles according to package directions until al dente, then drain and set aside.
  2. While noodles cook, heat olive oil in a large skillet over medium heat. Add diced onion and celery, sautéing until softened (about 5 minutes). Add minced garlic and cook for another minute until fragrant.
  3. In a large mixing bowl, combine the Greek yogurt, low-fat milk, Dijon mustard, paprika, salt, and pepper. Whisk until smooth and well combined.
  4. Add the cooked noodles, sautéed vegetables, drained tuna, and frozen peas to the yogurt mixture. Gently fold everything together until evenly coated.
  5. Transfer the mixture to a 9x13 inch baking dish. Top with shredded reduced-fat cheddar cheese and whole wheat breadcrumbs.
  6. Bake for 20-25 minutes, or until the casserole is bubbly and the topping is golden brown. Let it rest for 5 minutes before serving. Garnish with fresh parsley.

Notes

Make it ahead: Assemble the casserole up to a day in advance, cover, and refrigerate. Add 5-10 minutes to baking time when cooking from cold. Customize vegetables: Add mushrooms, carrots, or broccoli for extra nutrition and flavor. Freezing instructions: This casserole freezes well for up to 3 months. Thaw overnight in refrigerator before baking. Protein boost: Add a can of chickpeas or white beans for extra plant-based protein.