Cook the macaroni and cheese: Prepare the macaroni and cheese according to the instructions on the box.
Cook the hot dogs: While the macaroni noodles are cooking, boil the hot dogs in the same pot with the noodles.
Heat the beans: While everything cooks, heat the baked beans in a small saucepan over medium heat until warmed through.
Drain and cut the hot dogs: Once the noodles and hot dogs are finished cooking, drain well. Cut the hot dogs into bite-sized pieces.
Make the macaroni and cheese: Finish preparing the macaroni and cheese according to the package directions.
Combine everything: Add the chopped hot dogs and warmed baked beans to the macaroni and cheese. Stir until everything is well combined.
Serve: Serve warm and enjoy!