This easy skillet lasagna has all the pleasures of classic vegetable lasagna—tender noodles, delicious sauce, gooey cheese, and juicy vegetables—but can be whipped up in just 40 minutes!

Dollop the mascarpone over the lasagna and swirl it into the sauce. Top with the mozarella and gently simmer, covered, until the mozzarella melts, about 2 minutes. Remove the skillet from the heat ...