Both homey and healthful, this cheesy dream of a casserole is loaded with nutrients from spinach, and super savory and lip-smack-y from all the sautéed mushrooms. Any 'shroom will do, so pick your fave., March 2022


Credit: Photographer / Brie Passano, Food Stylist / Annie Probst, Prop Stylist / Holly Raibikis

Recipe Summary

30 mins
1 hr 15 mins


Ingredient Checklist


Instructions Checklist
  • Preheat oven to 350°F. Coat an 8-inch-square baking dish with cooking spray. Heat oil in a large skillet over medium heat. Add onion and cook, stirring, until softened and starting to brown, about 4 minutes.Add mushrooms and garlic; cook, stirring, until the mushrooms have softened, about 4 minutes. Transfer to a large bowl.

  • Add spinach, 1 cup cheese, eggs, milk, salt and pepper to the mushroom mixture. Stir until well combined. Transfer to the prepared baking dish, cover with foil and bake for 40 minutes. Remove from the oven and sprinkle with the remaining 1/2 cup cheese. Bake, uncovered, until the cheese is melted, about 5 minutes more.

Nutrition Facts

1/2 cup
177 calories; protein 11g; carbohydrates 7g; dietary fiber 3g; sugars 2g; fat 12g; saturated fat 5g; mono fat 5g; poly fat 1g; cholesterol 68mg; vitamin a iu 11141IU; vitamin b3 niacin 1mg; vitamin c 7mg; vitamin d iu 17IU; vitamin e iu 5IU; folate 151mg; vitamin k 343mg; sodium 301mg; calcium 287mg; iron 2mg; magnesium 78mg; phosphorus 175mg; potassium 498mg; zinc 2mg; omega 6 fatty acid 1g; niacin equivalents 5mg.