Learn how to make the most comforting spinach casserole with a crunchy top with Ritz crackers, cream of mushroom soup, cheddar cheese and fresh (or frozen) spinach.
If you love easy, comforting casserole recipes, you also need to try this spinach artichoke casserole and this pineapple casserole (it’s so good!).
Spinach Recipes
Spinach Artichoke Chicken Casserole
How to Make Spinach Casserole
It’s super easy to make this down home spinach casserole from scratch thanks to this fantastic recipe:
- Preheat and prepare. Preheat the oven to 350℉. Melt 2 tablespoons of butter in a skillet over medium heat. Add fresh spinach and cook until wilted.

- Mix ingredients. Stir in the cream of mushroom soup, milk, and sour cream, then remove from heat and add shredded cheddar cheese.

- Transfer to baking dish. Pour the mixture into a baking dish.
- Prepare topping. Combine 1 tablespoon of melted butter with coarsely crushed Ritz crackers and sprinkle on top of the casserole.

- Bake and serve. Bake for 20 minutes or until golden, then serve warm.
(Related: Spinach Lasagna)
How to Make Spinach Casserole Dairy-Free
This particular spinach casserole recipe isn’t dairy-free – but that doesn’t mean that you can’t modify it slightly to make it 100% dairy-free. Here’s how:
- Swap out the milk for a dairy-free option like almond milk or soy milk.
- Make your own homemade white sauce to make a dairy-free version of cream of mushroom soup.
- Make your own homemade dairy-free substitute for sour cream with soy milk, soy yogurt, lemon juice and cornstarch.
- Swap out the butter for a dairy-free option like almond butter.

Can I Freeze Spinach Casserole for Later?
Yes, you can easily freeze this down home spinach casserole to enjoy for later.
The first thing that you’ll need to do is allow the casserole to cool off completely after baking. Wrap the casserole in plastic wrap and then add a layer of aluminum foil. Store the casserole in the freezer for up to 3 months.
To reheat, thaw the casserole in the fridge overnight and then reheat in the oven at 350℉ for 20 to 30 minutes (or until heated through).
P.S. If you’re looking for more simple (and comforting) ways to use your fresh or frozen spinach, also try these spinach recipes: https://nurturedhomes.com/spinach-recipes
Easy Spinach Casserole

Ingredients
- 1 ½ pounds fresh spinach
- 2/3 cup condensed cream of mushroom soup
- ¼ cup milk
- ½ cup sour cream
- 1 cup shredded cheddar
- 3 tbsp butter
- 1 cup coarsely crushed Ritz crackers
- salt and black pepper to taste
Instructions
- Preheat oven to 350ºF.
- Melt 2 tablespoons of butter in a skillet over medium heat.
- Add the spinach and cook, stirring frequently until the spinach is wilted.
- Add the mushroom soup, milk and sour cream and stir to combine.
- Remove from the heat.
- Add the cheddar and stir to combine.
- Transfer the mixture to a baking dish.
- In a bowl combine 1 tablespoon of melted butter and crushed crackers.
- Top the casserole with cracker mixture.
- Bake in preheated oven for 20 minutes or until golden.









