01 -
Bring a large pot of salted water to a boil and cook the spaghetti noodles until just al dente. Drain well and set aside.
02 -
Heat a skillet over medium heat and crumble in the ground beef. Cook, stirring frequently, until no pink remains.
03 -
Sprinkle the taco seasoning over the beef and add 1/4 cup water. Stir until the seasoning coats the meat evenly, then reduce heat and simmer to blend flavors.
04 -
Stir in the chili beans with their sauce, tomato sauce, and cubed Velveeta cheese. Cook over low heat, stirring gently until the cheese is fully melted and the mixture is creamy.
05 -
Pour the cheesy beef and bean mixture into the drained pasta. Toss thoroughly to coat every strand evenly.
06 -
Transfer the pasta and beef mixture to a greased 9x13 inch baking dish and spread evenly.
07 -
Sprinkle shredded cheese evenly over the top. Bake uncovered in a preheated 350°F oven for about 20 minutes, until cheese is melted and casserole is bubbling around the edges.