even layer so it can melt and bubble.
Cover the casserole dish tightly with aluminum foil to trap the moisture. This is important so the noodles absorb the liquid and become tender instead of drying out.
Bake, covered, in the preheated oven for 35–40 minutes, until the noodles are tender when you poke a fork down into the center and the sauce is hot and bubbly.
Carefully remove the foil (watch for steam), then return the uncovered casserole to the oven and bake for an additional 10–15 minutes, or until
