Green Bean Casserole is a classic Thanksgiving dish, invented in 1955 by Dorcas Reilly. Her recipe utilized canned green beans, canned cream of mushroom soup, and fried onions. This recipe is like 3-in-1, you can make the whole casserole, or just the onion rings, or just the soup. You can also make traditional green bean casserole and replace one or two of the components with those in this recipe – it’s really up to you! Sadly, Reilly passed away on October 15, 2018 at the age of 92. Why don’t you make this casserole this year in her honor?
Green Bean Casserole (from scratch)
Ingredients
- 2 1/2 cups plain, unsweetened cashew or oat milk, divided or other neutral flavored plant milk
- 1/2 cup whole wheat flour, divided
- 1 cup whole grain bread crumbs
- 1 yellow onion, thinly sliced
- 2 tablespoons canola oil or other cooking oil
- 1/4 cup shallot, minced
- 2 cloves garlic, minced
- 2 cups white and/or brown mushrooms, chopped
- 1 vegetable bouillon cube or 1 teaspoon vegetable bouillon paste
- 16 ounces frozen green beans, thawed
- salt and pepper to taste
Instructions
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Preheat oven to 425°F. Line a baking sheet with parchment paper or a silicone baking mat.
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In a medium bowl, combine ½ cup cashew milk, 1/4 cup flour, and a pinch of salt. Stir to combine. It should be the consistency of a batter that can coat the onion pieces. If it's too thin and runny, add a bit more flour. If it's too thick, add a bit more cashew milk or water. Place bread crumbs in a separate bowl.
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Separate the onion slices into individual rings. Dip onion rings into cashew milk batter, letting excess drip off, then dip into bread crumbs to coat. Place onto baking sheet, repeating until all of the onion is used. Bake for 25 minutes or until golden and crisp, flipping onions halfway.
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Meanwhile, heat canola oil in a large skillet over medium-high heat. Add shallots and cook until they start becoming translucent, about 2-3 minutes. Add garlic and cook for 30 seconds or until fragrant, stirring often.
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Add mushrooms and cook until tender, about 5-7 minutes, stirring occasionally. Sprinkle 1/4 cup flour over the mushrooms and cook for 1 minute, stirring occasionally. Carefully stir in remaining 2 cups of cashew milk, then add bouillon. Stir often for about 5 minutes until the mixture thickens to resemble a thick, creamy soup. Add water or more cashew milk as needed if it is too thick. Add salt and pepper to taste.
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Stir in green beans. Add ½ baked onions, then pour into a casserole dish. Bake for 20 minutes. Top with remaining onions and bake for another 5 minutes or until the top is golden brown.
Recipe Notes
This recipe has lots of room for substitutions. You can
top the casserole with just bread crumbs rather than
making the baked onions. You can also use traditional
green bean casserole ingredients in place of some of these
components made from scratch to save time
This recipe was adapted from 
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