Cook meat, add onion till done. Drain off grease.

Stir in spaghetti sauce, and any extra toppings you desire.

Pour into 9x13 pan.

Evenly arrange cheese on top.

In a blender, mix eggs, milk, flour, oil and salt until smooth.

Evenly pour over the cheese, then sprinkle with parmesan.

Bake uncovered in a 400°F oven until the crust is puffed and golden brown about 25 minutes.