Why are my lasagne sheets still hard? 11 Answers. Lasagne typically need to cook in a hot oven for about 30 minutes. The main problem, as outlined by others in this thread, is thetendency of pasta sheets to dry up during this prolonged exposure to high temperatures. What is the differenc...
This classic lasagne recipe is hearty, comforting and easy to put together. Make this for a perfect midweek meal.