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Cheesy Mushroom Spinach Potato Casserole

This super easy to make casserole makes a perfect addition to your holiday menu
Course Casserole
Cuisine American
Prep Time 10 minutes
Cook Time 50 minutes
Total Time 1 hour
Servings 6 -8
Author Toni


  • 1 box Betty Crocker julienne potatoes
  • 1.5 cups boiling water
  • 1/8 cup butter cut up
  • 3/4 cup sour cream
  • 1/2 cup milk
  • 1/4 cup fresh baby spinach
  • 1/4 cup fresh sliced mushrooms
  • 1/2 cup shredded cheese we used cheddar


  1. Pre-heat oven to 350. Spray 8x8 inch glass baking dish
  2. In medium sized mixing bowl, mix potatoes, sauce mix, and boiling water.
  3. Once mixed stir in butter, sour cream, milk, spinach, and mushrooms
  4. Pour into baking dish
  5. Bake uncovered for 35 minutes, then remove and sprinkle with cheese.
  6. Place back in over for another 10 minutes, or until cheese is bubbly around edges
  7. Remove and let stand for 5 minutes

Recipe Notes

You can add in other veggies, or leave veggies out completely if you have picky eaters. Also another fun topping is to sprinkle bacon or bacon bits in when you add the cheese! Swap out cheddar cheese for any other of your favorite shredded cheese.