• Preheat oven to 350 degrees.
• Cook spaghetti in a pretty big pot. Drain.
• In a bowl, combine the cottage cheese and sour cream.
• In another bowl, combine browned hamburger and spaghetti sauce.
• In the empty spaghetti pot, melt the butter. Once melted, add the eggs and parmesan cheese and whisk together.
• Add the noodles back in and mix together.

In a greased 9x13 dish, put in:

• ½ the noodles, followed by
• ½ the cottage cheese/sour cream mixture followed by
• ½ the meat sauce, followed by
• ½ the mozzarella cheese

Do those layers all over again:

• The rest of the noodles, followed by
• The rest of the cottage cheese/sour cream mixture followed by
• The rest of the meat sauce, followed by
• The rest of the mozzarella cheese
• Cover pan with aluminum foil and bake 30-40 minutes.
• Remove foil and bake an additional 10 minutes (until cheese is bubbly).