Go Back

17) Tuna Noodle Casserole with Caramelized Onions and Thyme

Print Recipe
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings: 4 servings
Ingredients Method

Ingredients
  

  • 8 oz egg noodles
  • 2 tbsp butter
  • 2 large onions thinly sliced
  • 1 tsp salt divided
  • 2 tbsp all-purpose flour
  • 1 1/2 cups milk
  • 1/2 cup chicken or vegetable broth
  • 10 oz can tuna drained
  • 1 cup frozen peas
  • 1 tsp fresh thyme leaves or 1/2 tsp dried
  • 1/2 cup shredded cheddar
  • 1/2 cup panko breadcrumbs
  • 1 tbsp olive oil

Method
 

  1. Cook noodles to al dente according to package; drain and set aside.
  2. Melt butter in a large skillet over medium. Add onions and 1/2 tsp salt. Cook, stirring, until deep golden, 20–25 minutes.
  3. Sprinkle flour into onions; stir 1 minute. Slowly whisk in milk and broth until smooth. Simmer until thickened, 3–4 minutes.
  4. Stir in tuna, peas, thyme, remaining 1/2 tsp salt, and cooked noodles. Mix well and transfer to a greased 9x9-inch dish.
  5. Toss panko with olive oil and sprinkle and sprinkle cheddar over the casserole, then top with panko. Bake at 375°F for 15–18 minutes, until bubbly and golden.