Ingredients

• 1 (12 ounce) package wide egg noodles

• 4 tablespoons butter, divided

• 1/2 cup chopped onion

• 1/2 cup chopped celery

• 2 teaspoons minced garlic

• 3 tablespoons all-purpose flour

• 1/2 teaspoon salt

• 1/8 teaspoon cayenne pepper

• 3 ½ cups whole milk

• 2 cups shredded sharp Cheddar cheese

• 1 (12 ounce) can chunk white tuna in water, drained

• 3 tablespoons drained capers

• 2 teaspoons Dijon mustard

• 2 slices sourdough or artisan bread, cut into 1/2-inch cubes

• 1/2 teaspoon seafood seasoning, such as Old Bay®

• 2 large Roma tomatoes, sliced or halved crosswise and sliced