I prefer to use fresh, crunchy green beans for this recipe.
This recipe can be made up to 48 hours ahead of time.
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How to Make Grandbaby Cakes' Green Bean Casserole
How to Make Grandbaby Cakes' Green Bean Casserole
55min · 8 servings
For the Grean Bean Filling
3 tbsp unsalted butter
1/2 medium sized yellow or sweet onion diced
8 oz baby bella mushrooms sliced
3 garlic cloves minced
1 tbsp fresh thyme leaves chopped
3 tbsp all purpose floour
1/2 cup dry white wine
2 cups chicken stock or broth
1 1/2 lbs fresh or frozen green beans trimmed and halved
1 cup shredded sharp white cheddar
1 cup shredded gruyere
1/2 cup heavy whipping cream
kosher salt and freshly ground black pepper to taste
For the Garlicky Panko Topping
4 tbsp unsalted butter
4 garlic cloves slightly smashed
1 1/4 cup panko breadcrumbs