Best Healthy Green Bean Casserole
Dec 01, 2025 08:34 AM
Featuring fresh green beans, a homemade mushroom gravy, and delightfully crunchy onions, there is so much to love about my healthy green bean casserole. It’s light, wholesome, and a delicious addition to any holiday menu!
One of my all-time favorite Thanksgiving recipes is green bean casserole. Growing up, my family used to make it the old-fashioned way with canned green beans, Campbell’s cream of mushroom soup, and crunchy onions. While there’s nothing wrong with that version, I wanted to give this classic Thanksgiving side an upgrade with healthy, better-for-you ingredients.
Meet my healthy green bean casserole! It’s just as creamy and still topped with crunchy onions, but everything is homemade with real ingredients. The casserole portion features a from-scratch mushroom gravy that we combine with fresh green beans. The crispy onions bake in the oven and are wonderfully seasoned with parmesan cheese and breadcrumbs.
When combined, this oven-baked green bean casserole has so much savory flavor and is much lighter than the classic.
Ingredients:
For the Onions
- 1 large egg
- 2 tablespoons water
- 1 cup whole wheat bread crumbs
- 1/2 cup grated parmesan cheese
- 1/8 teaspoon salt
- 1/8 teaspoon ground black pepper
- 2 large red onions, thinly sliced
For the Green Bean Casserole
- 1.5 tablespoons olive oil
- 2 cups chopped cremini mushrooms, or any kind of white mushroom
- 3 tablespoons unsalted butter
- 1/4 cup white whole wheat flour
- 1.5 cups 2% milk
- 1/4 cup vegetable broth, or chicken broth
- 1/4 teaspoon sea salt, divided
- 20 oz. fresh green beans, rinsed and trimmed
Prep Time:
20 minutes
Cook Time:
45 minutes
Total Time:
65 minutes
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