3 (4-oz.) cans unsalted albacore tuna in water, drained
2 Tbsp chopped fresh dill, plus more for garnish
Cooking spray
2 oz sharp cheddar cheese, shredded (about ½ cup)
Instructions
Preheat oven to 375 degrees F. Heat a large pot of water over high heat. Once at a rolling boil, cook noodles until very al dente, according to package directions. Drain and transfer to a large bowl.
Heat oil in a large high-sided skillet over medium heat. Add mushrooms; cook until softened, about 4 minutes. Add onion and garlic; cook until tender, about 4 more minutes. Add thyme; cook until fragrant, about 1 minute, stirring constantly.
Add butter; stir until melted. Whisk in flour; cook until roux is golden, about 1 minute. Whisking constantly, add stock; bring to a boil. Reduce to a simmer; whisk in milk, tomato paste, mustard, lemon zest and juice, salt, and pepper. Return to a simmer; simmer 2 to 3 minutes. Pour mixture into bowl with noodles. Stir in tuna and dill.
Coat a 13- x 9-inch baking dish with cooking spray. Transfer tuna mixture to baking dish; top with cheese. Bake until bubbly and cheese is melted, about 15 minutes. Let stand at room temperature 5 to 10 minutes. Garnish with additional dill, if desired.
Notes
Recipe from Cooking Light (link no longer available)