My neighbor has been making this for 30 years and I finally got her to share the recipe
baking the pasta)
Directions
Preheat your oven to 400°F (200°C). Lightly grease a 9×13-inch white ceramic casserole dish with a small dab of butter or cooking spray so the noodles don’t stick.
Break the dry spaghetti in half so it fits easily in the casserole dish. Spread the pasta out as evenly as you can in the dish; it’s okay if it overlaps and looks a little messy.