01 -
Preheat your oven to 375°F. Cook pasta until tender, drain, and allow to cool.
02 -
In a skillet over medium-high heat, brown the ground beef. Season with salt and pepper, then drain well.
03 -
Reduce heat to low and add cream cheese. Mix thoroughly using a meat masher or sturdy spoon.
04 -
Stir in parmesan cheese and half of the cheddar cheese. Mix until just melted and remove the skillet from heat.
05 -
Fill the cooked pasta shells with the prepared beef mixture and arrange them in a single layer in a 9x13-inch baking dish. Use an additional smaller dish if needed.
06 -
Spread spaghetti sauce evenly over the pasta. Cover the dish with foil and bake for 40-45 minutes until shells are heated through.
07 -
Uncover the dish and sprinkle the remaining cheddar and mozzarella cheeses in an even layer. Return to the oven for 10 minutes until the cheese is melted and lightly browned.
08 -
Serve warm and enjoy your meal.