Your classic green bean casserole gets an upgrade with creamy mushrooms and gruyere, topped with homemade fried leeks and onions. We're confident your whole family will be licking the casserole dish after this recipe! Created in collaboration with About to Sprout. 

Ingredients: 

Green Bean Casserole

• 2 lbs. fresh green beans, washed and trimmed
• 8 oz. mushrooms, sliced
• 4 tablespoons Olive & Co. Organic Olive Oil
• 1 medium sweet/yellow onion, diced
• 4 garlic cloves, minced
• 4 tablespoons all purpose flour
• 1 1/2 cups vegetable broth
• 3/4 cup heavy cream
• 1 ½ cups gruyere cheese, shredded and divded
• 1 teaspoon soy sauce
• Salt + pepper, to taste

Fried Leeks and Onions

• 1 small sweet yellow onion, thinly sliced
• 1 medium-large leek, thinly sliced and washed well
• 1/2 cup all purpose flour
• 4 tablespoons Olive & Co. Organic Olive Oil
• Salt, to taste

Directions:

1. Make your fried leeks and onions; Thinly slices leeks and rinse well. Thinly slice your onion and add to a bowl. Drain and dry off the leeks a bit and add to bowl with onions. In a separate bowl add flour.
2. In a large pan over medium heat, add olive oil.
3. Separate the onion and leek slices and dredge in flour. Shake off the excess.
4. In two batches, add onions and leeks to hot pan and cook until golden brown (about 1-2 minutes) then flip and cook on the other side.
5. Transfer to a paper towel lined plate and let them drain.
6. Make casserole; Preheat oven to 400 degrees F.
7. Bring a large pot of salted water to a boil.
8. Once boiling, add green beans to cook for 4-5 minutes, depending on their size. We want them to be just cooked, not mushy.
9. Drain green beans and set aside.
10. In a large pan over medium heat, add olive oil.
11. Add diced onions and a sprinkle of salt and cook 3-4 minutes until softened.
12. Add sliced mushrooms and a sprinkle of salt and cook for 3-4 minutes until just golden.
13. Add garlic and cook for 30 seconds. Whisk in flour and cook for 1 minute.
14. Pour in the vegetable broth and whisk until the flour is incorporated into the broth.
15. Stir in the heavy cream and bring to a simmer to thicken for 2-3 minutes.
16. Whisk in 1 cup of gruyere cheese, soy sauce, and season with salt and pepper to taste.
17. Add the green beans and stir to combine.
18. Add mixture to a 9x13 baking dish, sprinkle with the remaining ½ cup of gruyere cheese, and top with the fried onions and leeks.
19. Bake for 20-25 minutes, or until the filling is bubbling.
20. Let the casserole rest for 5 minutes before serving.