In a medium saucepan, bring 2 cups of water to a boil. Add 1 teaspoon of salt.

Once boiling, add 1 cup of uncooked macaroni. Cook according to package instructions until al dente, about 7-8 minutes.

Drain the pasta and set aside.

In a large skillet over medium heat, add the sliced hot dogs and cook until browned, about 5 minutes. This enhances their flavor and texture.

Add the baked beans, thawed mixed vegetables, ketchup, and yellow mustard to the skillet. Stir well to combine and heat through, about 3-4 minutes.

In a large mixing bowl, combine the cooked macaroni with the hot dog mixture. Stir until everything is evenly mixed.

Transfer the mixture to a greased 9x13 inch baking dish, spreading it out evenly.

Sprinkle 1 cup of shredded cheddar cheese over the top.

In a small bowl, mix the bread crumbs with 2 tablespoons of melted butter until evenly coated.

Sprinkle the bread crumb mixture over the cheese layer in the casserole.

Preheat the oven to 350°F (175°C).

Bake the casserole in the preheated oven for 25-30 minutes, or until the cheese is bubbly and the top is golden brown.

Remove from the oven and let it cool for 5 minutes before serving. This helps the casserole set up a bit for easier serving.