Vegetarian Vegan Green Bean Casserole

Total time1 hr 10 min

Prep time25 min

Cook time45 min

This casserole layers tender green beans in a rich, savory cashew cream sauce built from deeply browned cremini mushrooms, garlic, and fresh thyme, then gets finished with a blanket of shatteringly crisp fried shallots. The mushrooms are seared until golden and concentrated before the blended cashew cream ties everything together into a glossy, spoon-coating sauce that clings to every bite of green bean. A quick bake melds the flavors and crisps the shallot topping even further, giving you that classic contrast of creamy base and crunchy finish without a can of soup in sight. It's a fully plant-based take on the holiday classic, which makes it an easy, satisfying centerpiece for a vegetarian table. Serve it straight from the baking dish while the shallots are still crackly for the best texture.

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Ingredients

6 servings

For the casserole

1 ½ lbs fresh green beans, trimmed and cut into 2-inch pieces
Birds Eye Steamfresh Cut Green Beans Frozen Vegetables - 10 Oz Birds Eye Steamfresh Whole Green Beans Frozen Vegetables - 10.8 Oz Libbys Green Beans Cut - 14.5 Oz Libbys Green Beans French Style - 14.5 Oz Green Giant Green Beans Half-Sliced French Style - 14.5 Oz
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1 cup raw cashews, soaked in cold water for at least 4 hours, then drained
1 ½ cups vegetable broth
2 tbsp olive oil
8 oz cremini mushrooms, thinly sliced
3 cloves garlic, minced
1 tsp fresh thyme leaves
2 tbsp soy sauce
1 tsp onion powder
½ tsp black pepper
½ tsp salt

For the crispy shallots

3 large shallots, peeled and thinly sliced into rings
¼ cup all-purpose flour
¼ tsp salt
¼ cup neutral oil (such as canola oil or vegetable oil), for frying

Instructions

1
Preheat the oven to 375°F (190°C). Bring a large pot of salted water to a boil. Add the green beans and cook for 5 minutes, until bright green and just barely tender. Drain in a colander and set aside.
2
Combine the drained cashews and vegetable broth in a blender and blend on high for 60–90 seconds, until completely smooth with no visible grit. Set the cashew cream aside.

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