Low Sodium Green Bean Casserole Recipe

This creamy, crunchy Low Sodium Green Bean Casserole Recipe is made with fresh mushrooms, unsalted broth, and crisp green beans, ready in 50 minutes. The rich mushroom sauce bubbles up beautifully around the tender beans beneath a golden panko topping. I love making this healthier version for holiday gatherings.

Try More Recipes:

• Low Sodium Breakfast Casserole Recipe
• Low Sodium Biscuits Recipe
• Low FODMAP Waffles Recipe

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What Makes This Version Different

Traditional casseroles rely on heavily salted canned soups and processed fried onions. I realised making the sauce from scratch using fresh mushrooms and unsalted broth cuts the sodium drastically.

The biggest surprise was how much better it actually tastes. Replacing the salty fried onions with seasoned panko breadcrumbs still provides that essential crunch without the guilt.

Low Sodium Green Bean Casserole Recipe Ingredients

• 1 lb fresh green beans, trimmed and halved
• 8 oz baby bella mushrooms, sliced
• 2 tbsp unsalted butter
• 2 tbsp all-purpose flour
• 1/2 cup unsalted vegetable broth
• 1/2 cup whole milk
• 1/2 tsp garlic powder
• 1/4 tsp black pepper
• 1/2 cup panko breadcrumbs
• 1 tsp salt-free onion powder
• 1 tbsp olive oil

How To Make Low Sodium Green Bean Casserole Recipe

1. Blanch the Beans: Boil the green beans in unsalted water for 5 minutes until crisp-tender, then immediately transfer to an ice bath.
2. Sauté the Mushrooms: Melt the unsalted butter in an oven-safe skillet over medium heat and cook the mushrooms until deeply browned.
3. Build the Sauce: Sprinkle the flour over the mushrooms, stirring for 1 minute, then gradually whisk in the milk and broth until smooth.
4. Combine and Simmer: Stir in the garlic powder and black pepper, letting the sauce thicken for 3 minutes before folding in the green beans.
5. Bake: Mix the panko, onion powder, and olive oil, sprinkle over the skillet, and bake at 400°F for 15 minutes until bubbly and golden.

Recipe Tips

• Use fresh beans: Canned green beans are often packed with sodium and turn mushy during baking.
• Thicken properly: Let the flour cook for a full minute before adding liquids to prevent a raw flour taste.
• Customise the crunch: Add slivered unsalted almonds to the panko mixture for an extra layer of texture.

What To Serve With Green Bean Casserole

This comforting side dish pairs wonderfully with roasted turkey or a simple herb-crusted chicken breast. For a complete holiday spread, serve it alongside unsalted mashed potatoes and homemade cranberry sauce.

How To Store

Store leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven at 350°F to help the topping regain some of its crunch. I do not recommend freezing this as the creamy sauce can split.

FAQs

Can I use frozen green beans?

Yes, you can use frozen green beans. Just thaw and drain them well before adding them to the sauce.

How do I make it gluten-free?

Swap the all-purpose flour for cornstarch and use gluten-free panko breadcrumbs.

Can I make this ahead of time?

You can prepare the green beans and mushroom sauce a day in advance. Store them in the fridge and add the panko topping just before baking.

Why is my sauce too thin?

The sauce might need more time to simmer and reduce. Ensure you measure the flour correctly to properly thicken the liquids.

Nutrition

• Calories: 145 kcal
• Total Fat: 7 g
• Saturated Fat: 3 g
• Cholesterol: 12 mg
• Sodium: 55 mg
• Total Carbohydrate: 16 g
• Protein: 4 g

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• Low FODMAP Yogurt Parfait Recipe
• Low FODMAP Zucchini Muffins Recipe
• Low FODMAP Tofu Scramble Recipe