In a large skillet, add ground beef, garlic, salt, and pepper and cook until meat is browned.

Drain grease from pan, add tomato sauce and onion, and mix well.

Simmer uncovered for 10 minutes, stirring occasionally.

Remove from heat.

Preheat oven to 350 degrees.

Layer noodles on the bottom of a large baking pan or casserole dish.

In a medium bowl, combine cream cheese and sour cream.

Cover noodles with cheese mixture.

Pour meat mixture on top of cheese and noodles.

Sprinkle shredded cheddar cheese on top.

Bake, uncovered, for 40-45 minutes.