Yields:
12 – 16 serving(s)
Watch out, classic green bean casserole, gnocchi has entered the holiday menu. We took the classic recipe and added gnocchi for a dish that’s infinitely better than the sum of its parts. Blanched fresh green beans and buttery sliced mushrooms, onions, and garlic get tossed with a creamy béchamel sauce and pillowy gnocchi, then baked until bubbly. An obligatory layer of salty fried onions is scattered on top—just like the OG version—for plenty of extra crunch, creating an unbeatable variety of textures. We can’t believe we didn’t think of this sooner!
Make-Ahead
This is definitely a side that can be made ahead, which is a huge blessing when you need the extra time on Thanksgiving Day. Once you’ve assembled everything in a baking dish (except for the fried onions!) and it’s cooled to room temp, cover it tightly with plastic wrap and foil. Refrigerate the dish for up to 2 days or until you’re ready to bake.
Storage
Store any leftovers in an airtight container in the refrigerator for up to 4 days.
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Ingredients
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- Step 1Arrange a rack in center of oven; preheat to 350°. In a large pot of boiling salted water, cook green beans until bright green, 2 to 3 minutes. Using a spider or slotted spoon, transfer green beans to an ice bath. Drain beans; season with 1/2 tsp. salt. Transfer to a 13″ x 9″ baking dish.
- Step 2In a large skillet over medium heat, melt 2 Tbsp. butter. Add onion; season with salt. Cook, stirring occasionally, until softened and starting to brown, about 7 minutes. Add 2 Tbsp. butter and let melt. Add mushrooms and cook, stirring occasionally, until liquid has evaporated and mushrooms are tender, 13 to 15 minutes. Add garlic and cook, stirring, until fragrant, about 1 minute more; season with salt. Transfer to baking dish, spreading over green beans.
- Step 3In same skillet over medium heat, melt remaining 4 Tbsp. butter. Whisk in flour and cook, whisking, until roux is golden and smells toasted, 2 to 3 minutes. Slowly whisk in milk until combined, then whisk in broth. Bring to a simmer and cook, stirring occasionally, until thickened, 5 to 7 minutes. Stir in gnocchi, breaking apart any gnocchi stuck together.
- Step 4Pour sauce and gnocchi over bean mixture in baking dish. Stir to combine.
- Step 5Bake casserole until edges are bubbling and gnocchi is warmed through, about 30 minutes. Top with fried onions, then continue to bake until onions are fragrant and warmed through, 7 to 10 minutes more.
Made this new holiday classic? Let us know how it went in the comments below!
