01 -
In a skillet over medium-high heat, cook ground beef until browned and fully cooked. Add chopped onions and cook until tender and translucent. Season with salt and pepper. Drain excess fat if necessary.
02 -
Boil macaroni noodles in salted water until al dente. Drain thoroughly and return to pot.
03 -
Stir melted Velveeta cheese into the warm macaroni until evenly coated, forming a creamy base.
04 -
In a bowl or the skillet with beef, combine sour cream, cheddar cheese soup, onion powder, garlic powder, Parmesan cheese, and milk. Stir until smooth and homogeneous.
05 -
Fold the cheesy macaroni mixture into the sauce combined with beef and onions until thoroughly mixed.
06 -
Grease a 9 x 13-inch baking dish and evenly spread the mixture inside, leveling the surface.
07 -
Layer American cheese slices over the mixture, then evenly sprinkle crushed Ritz cracker crumbs on top.
08 -
Bake uncovered at 350°F for 20 to 25 minutes until cheese is melted and crumbs are golden brown. Allow to rest briefly before serving.