Popsugar Living Recipes Casserole Recipes 20 Cosy Casserole Recipes 24 January 2018 by Nicole Perry View On One Page Photo 18 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Mushroom and Leek Lasagna Like pretty much all Ina Garten recipes, this wild mushroom and leek lasagna is at once elegant and comforting. Previous Next Start Slideshow CasserolesComfort FoodsHoliday FoodRecipesHoliday LivingDinnerWinterHoliday