Smoked Green Bean Casserole Recipe for Savory Holiday Sides

This smoked green bean casserole gives the classic holiday side a delicious smoky twist. Creamy mushroom soup, cheddar cheese and a touch of BBQ rub transform canned or fresh green beans into a crowd-pleasing dish that’s easy to prepare. Prep takes under 10 minutes and the casserole bakes or smokes in about 40 minutes, making it a convenient option for Thanksgiving, Christmas, or any family meal.

Why you need to make this green bean casserole

• Quick and easy: Mix the ingredients, transfer to a baking pan or skillet, and bake or smoke. It’s ready in under an hour, perfect for busy holiday cooks.
• Smoky flavor: A simple BBQ rub adds smoky, savory notes that pair beautifully with creamy mushroom soup and sharp cheddar.
• Versatile for any occasion: Serve alongside turkey, ham, mashed potatoes, or roasted vegetables. It’s a familiar comfort food with an elevated flavor.

Ingredients you need for this casserole

Canned or fresh green beans

Cream of mushroom soup

Soy sauce

Milk

Cheddar cheese

All-purpose BBQ rub (store-bought or homemade)

French’s crispy fried onions

How to make the ultimate green bean casserole

This smoked version keeps the classic creamy texture while adding layers of savory, smoky flavor. Use canned beans for speed or fresh beans if you prefer. The method works equally well in a conventional oven or a smoker set to moderate heat.

Preheat your oven or smoker to 350°F. In an 8×11 aluminum pan or a large casserole dish, combine three 14.5 oz cans of drained green beans, one 10.5 oz can of cream of mushroom soup, 1/2 cup shredded cheddar cheese, 1/2 cup milk, and 1 tablespoon soy sauce. Stir until well combined.

Add 1 tablespoon of your favorite all-purpose BBQ rub and mix thoroughly. You can also assemble the mixture in a large bowl first and then transfer it to a cast-iron skillet or baking dish for a more rustic presentation.

If using fresh green beans, trim and blanch them for 6–7 minutes in boiling water before combining. Fresh beans add a firmer texture and brighter flavor, while canned beans keep the recipe fast and convenient.

Once the mixture is well combined, sprinkle the top with the remaining cheddar cheese. Place the pan in the preheated oven or smoker and bake for 30 minutes.

After 30 minutes, evenly spread a layer of crispy fried onions over the casserole (French’s works well). Return to the oven or smoker and cook an additional 10 minutes, or until the onions are golden and the casserole is bubbling.

Allow the casserole to rest for about 5 minutes before serving. It pairs nicely with turkey, creamy mashed potatoes, roasted vegetables, or other holiday favorites.

Variations

• Bacon: Crisp and chop a few slices of bacon and fold them into the casserole for smoky, savory richness.
• Spicy: Add sliced jalapeños or a pinch of cayenne pepper for heat.
• Mushrooms: Sauté fresh mushrooms and stir them into the mixture for extra depth and texture.

How to store green bean casserole

Store leftovers in an airtight container in the refrigerator for up to three days. The fried onions may soften over time, but the casserole reheats well. Reheat in the microwave for a few minutes or in a 350°F oven for 8–10 minutes.

To make ahead, prepare the casserole up to the point before adding the fried onions. Refrigerate, covered, for up to two days. When ready to bake, top with crispy onions and heat until warmed through and golden, about 8–10 minutes in a 350°F oven.

Smoked green bean casserole recipe

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A flavorful blend of green beans, cream of mushroom soup, and cheddar, this smoked green bean casserole is an easy and satisfying holiday side.

• Total Time: 45 minutes
• Yield: 6