Cook pasta in salted boiling water according to package directions. Drain and set aside.
In a large skillet over medium heat, cook ground beef until browned. Drain excess grease.
Stir in Rotel (with juices), garlic powder, onion powder, salt, and pepper. Simmer 3–4 minutes.
Add heavy cream and cream cheese. Stir until smooth and creamy.
Mix in shredded cheddar until melted.
Add cooked pasta to skillet and toss until fully coated in sauce.
Serve warm, topped with green onions or extra cheese if desired.