Grandma’s Green Bean Casserole

Grandma’s Green Bean Casserole

This green bean casserole without mushroom soup is much better than versions made with condensed soup. Instead of traditional French-fried onions, this from-scratch casserole is loaded with lots of melty Cheddar and a buttery cracker crumb topping. A homemade sour cream-based sauce adds just the right amount of tang to every bite. Try it for Thanksgiving!

Prep Time:
20 mins
Cook Time:
35 mins
Total Time:
55 mins

If you’re looking for the best green bean casserole without mushroom soup, you’ve come to the right place! This grandma-approved recipe will be welcome on any holiday table.

How to Make Green Bean Casserole Without Cream of Mushroom Soup

You’ll find a detailed ingredient list and step-by-step instructions in the recipe below, but let’s go over the basics:

What to Use Instead of Mushroom Soup In Green Bean Casserole

Instead of condensed cream of mushroom soup, this recipe utilizes an irresistible sour cream sauce thickened with flour and butter. The creamy, tangy mixture adds tons of richness and flavor — so there’s no need for any store-bought soup.

Grandma’s Green Bean Casserole Ingredients

Here’s what you’ll need to make this easy green bean casserole without mushroom soup:

  • Butter: You’ll use two tablespoons of butter for the green beans and two tablespoons for the topping.
  • Flour: All-purpose flour thickens the green bean mixture, resulting in a decadent casserole.
  • Sour cream: A cup of sour cream adds richness and pleasant tanginess.
  • Onion: Diced white onion lends complexity, taking the flavor up a notch.
  • Seasonings: A teaspoon of salt enhances the other flavors, while a teaspoon of sugar lends a touch of subtle sweetness.
  • Green beans: This recipe calls for three cans of French-style green beans. You can use fresh green beans if you prefer.
  • Cheese: You can use pre-shredded Cheddar cheese, but freshly grated is always best.
  • Cracker crumbs: Buttery cracker crumbs give the topping a welcome crunch.

How to Make Grandma’s Green Bean Casserole

Here’s a brief overview of what you can expect when you make this old-fashioned green bean casserole:

  1. Make the casserole: Melt butter in a large skillet, then add flour and cook for about a minute. Stir in sour cream, onion, salt, and sugar. Add green beans and toss to coat.
  2. Top the casserole: Transfer the mixture to a casserole dish. Spread the cheese over the green bean mixture. Mix the melted butter and crumbs, then sprinkle evenly over the cheese.
  3. Bake the casserole: Bake in the preheated oven until the topping is golden and bubbly.

How to Store Grandma’s Green Bean Casserole

Allow the green bean casserole to cool, then transfer it to an airtight container. Store in the fridge for up to three days. Reheat in the microwave or on the stove.

Can You Freeze Grandma’s Green Bean Casserole?

Yes, you can freeze this green bean casserole. Transfer your leftovers (in serving-sized portions, if you like) to zip-top bags or another freezer-safe container. Store in the freezer for up to six months. Thaw in the refrigerator overnight.

Allrecipes Community Tips and Praise

“This recipe is way, WAY BETTER than the cream soup version,” according to Baseballmom_88. “The fam LOVED it! I made this with fresh green beans (cooked earlier).”

“The sour cream sauce is great with the cheesy layer on top,” raves Melanie. “I added chopped mushrooms into the skillet with the onion mixture.”

“It was delicious, easy to prepare, and I definitely will make it again,” says Stellazine. “Only thing I changed was the topping — I sprinkled bacon bits instead of the cracker crumbs. It’s a keeper.”

Editorial contributions by Corey Williams


Green Beans:

  • 2 tablespoons butter
  • 2 tablespoons all-purpose flour
  • 1 cup sour cream
  • ¼ cup diced onion
  • 1 teaspoon salt
  • 1 teaspoon white sugar
  • 3 (14.5 ounce) cans French-style green beans, drained


  • 2 cups shredded Cheddar cheese
  • ½ cup crumbled buttery round crackers
  • 1 tablespoon butter, melted


  1. Preheat the oven to 350 degrees F (175 degrees C).

  2. Make green beans: Melt butter in a large skillet over medium heat. Stir in flour until smooth, and cook for 1 minute. Stir in sour cream, onion, salt, and sugar. Add green beans, and stir to coat. Transfer mixture to a 2 1/2-quart casserole dish.

  3. Spread Cheddar cheese over green bean mixture. Toss cracker crumbs and melted butter together in a small bowl; sprinkle over bean mixture.

  4. Bake in the preheated oven until topping is golden and cheese is bubbly, about 30 minutes.

    baking dish of Grandma's Green Bean Casserole with scoop removed

Nutrition Facts (per serving)

234 Calories
16g Fat
15g Carbs
9g Protein

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