For a richer flavor, try using a combination of cremini and shiitake mushrooms. To add a hint of sweetness, consider including a tablespoon of maple syrup in the mushroom sauce. If you don't have croutons on hand, toasted breadcrumbs make a great substitute. For a vegan version, use vegetable broth and a plant-based half and half alternative. The casserole can be assembled ahead of time and stored in the refrigerator until ready to bake. Add about 10 minutes to the baking time if baking from cold.
A+ Green Bean and Walnut Casserole
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PREP TIME15 mins
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COOK TIME45 mins
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TOTAL TIME1 hrs
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SERVING8 People
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VIEWS49
Rediscover a beloved classic with this updated Green Bean and Walnut Casserole! Featuring a luxuriously savory mushroom sauce and a delightful walnut-crouton topping, this dish is both comforting and surprisingly light. Enjoy all the flavor with fewer calories, less fat, and reduced sodium!
Ingridients
Adjust Servings
Nutrition
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Carbohydrate17 g
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Cholesterol1 mg
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Fiber4 g
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Protein5 g
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Saturated Fat2 g
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Sodium475 mg
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Sugar4 g
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Fat13 g
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Unsaturated Fat0 g
DIRECTIONS
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01 Step
Recipe View Prepare the Mushroom Sauce: In a medium saucepan, melt the vegetable oil spread over medium heat. Add the minced mushrooms and chopped onion; cook, stirring frequently, until softened, about 10 minutes. Stir in the flour and cook for an additional 5 minutes, stirring constantly. (Total time: 15 minutes)
02 Step
Recipe View Simmer and Season: Slowly whisk in the chicken stock, ensuring no lumps form. Bring the mixture to a gentle boil, then reduce the heat and simmer for 10 minutes, allowing the sauce to thicken slightly. Stir in the fat-free half and half and season with salt and pepper to taste. Set aside. (Total time: 20 minutes)
03 Step
Recipe View Pre-cook Green Beans: Preheat your oven to 350 degrees F (175 degrees C). Blanch the trimmed green beans in boiling water for 5 minutes. Drain thoroughly. (Total time: 5 minutes)
04 Step
Recipe View Combine and Transfer: Add the blanched green beans to the prepared mushroom sauce, gently tossing to coat evenly. Transfer the mixture to an 11 x 7-inch baking dish. (Total time: 5 minutes)
05 Step
Recipe View Prepare the Topping: In a separate bowl, stir together the crushed croutons, chopped walnuts, and melted vegetable spread until well combined. Sprinkle the mixture evenly over the green bean mixture in the baking dish. Make sure the topping covers the edge of the beans. (Total time: 5 minutes)
06 Step
Recipe View Bake: Bake in the preheated oven for 20 minutes, or until the topping is golden brown and the casserole is bubbly. (Total time: 20 minutes)
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Salvatore Koch
Jun 10, 2025I was skeptical about using fat-free half and half, but it worked beautifully! The casserole was rich and satisfying without being heavy. I'll definitely be making this again.
Caterina Robel
Apr 1, 2025This recipe is a lifesaver! I was able to make a healthier version of my family's favorite casserole without sacrificing any of the flavor. The walnut topping is a stroke of genius!
Gianni Gusikowski
Mar 17, 2025My kids actually ate their green beans! This recipe is a winner in my book.
Patsy Kautzer
Jan 10, 2025I added a pinch of nutmeg to the mushroom sauce, and it gave it a lovely warmth. Thanks for a great recipe!
Ellie Cremin
Dec 28, 2024I followed the recipe exactly and it turned out perfectly. The mushroom sauce is so creamy and flavorful, and the green beans were tender-crisp. A definite crowd-pleaser!