Cook beef in a large skillet until meat is brown and crumbly. Drain the fat from the meat and place it back into the skillet. Add tomato sauce, oregano, and pepper. Mix well.
Add 1⁄2 spaghetti noodles to a prepared 9 x 13 baking dish. Top with sliced butter, about half.
Mix ricotta, cream cheese, and sour cream until combined. Spread over the spaghetti and butter slices.
Top the cheese mixture with the remaining spaghetti and butter slices.
Pour the meat sauce mixture over the spaghetti. Place in the oven and bake for 30 minutes.
Top with cheddar cheese and bake an additional 30 minutes until the cheese is melted.
Allow to cool for 10 minutes before serving. 9. Garnish with fresh parsley if desired.
Notes
Store in an airtight container in the refrigerator for up to 3 days.
Store in an airtight container in the freezer for up to 2 months. To reheat, thaw in the refrigerator overnight and reheat in the oven.
*Nutritional information is a calculated guesstimate. Please note that this can change with different brands and modifications you may make to the recipe. For the most accurate information, use a nutritional calculator with the exact brands and measurements you're using with each recipe.