If using a large serving bowl, you simply place a little bit of sauce on the bottom of the bowl then add in the pasta. (simpleitaliancooking.com)
Cut rolls in half and spoon meatballs (about 4 - 5 per roll) with a little bit of sauce into the rolls. (holajalapeno.com)
Add a second layer of vegetables and sauce, then finish with a final layer of potatoes, pouring the last bit of sauce over the top. (vegan-magazine.com)