Cook hamburger and onion in skillet.

Sprinkle salt, pepper and celery salt to taste.

Add spaghetti sauce.

Slice zucchini longwise to width of pan.

Put some meat mixture on bottom of pan to prevent zucchini from sticking.

Put one layer of zucchini strips into pan.

Top with some meat mixture.

Add another layer of zucchini.

Mix cottage cheese with one egg. Layer onto zucchini in pan.

Top with zucchini layer.

Top everything with meat mixture.

Top with mozzarella cheese.

Put toothpicks in lasagna and cover with aluminum foil.

Place pan on cookie sheet and bake for 1-1.5 hours on 350°F.

Stick fork in to make sure zucchini is tender.

Pull from oven and enjoy!