Crockpot Green Bean Casserole with Fresh Green Beans

Square overhead photo of crockpot green bean casserole in a slow cooker.

Crockpot Green Bean Casserole with Fresh Green Beans

Make your holidays easier with this Crockpot Green Bean Casserole! Made from fresh green beans, savory mushrooms, and crispy fried onions, this dish strikes a nice balance between rich and flavorful. It’s a fun take on classic green bean casserole that frees up oven space without sacrificing flavor.

Course Side Dish

Cuisine American

Prep Time 15

Cook Time 4 25

Total Time 4 40

Servings

Calories 219kcal

Author Wendy Polisi

Equipment

Slow Cooker

Ingredients

2 pounds fresh green beans trimmed and cut into 1” pieces
2 tablespoons unsalted butter
1 pound white mushrooms sliced
1 onion sliced thin
¼ cup all-purpose flour or gluten-free
1 teaspoon sea salt
¼ teaspoon freshly ground black pepper
⅛ teaspoon cayenne pepper
2 cups chicken broth
2 ½ cups half and half
1 cup shredded Gruyere cheese
1 ½ cups fried onions about 3 ounces

US Customary - Metric

Instructions

Place the green beans in the bottom of your slow cooker.
Melt the butter in a large saute pan over medium-high heat. Add the mushrooms and cook for 5 minutes. Add the onions and cook for another 5 minutes. Sprinkle with the flour, salt, pepper, and cayenne pepper.
Cook for 1 minute. Stir in the broth, a little at a time. Bring to a simmer, and then whisk in the half and half. Reduce to medium-low, and cook for 10 minutes, until the sauce is thick.
Pour the sauce over the green beans, and top with the cheese.
Cover and cook over low heat for 4 to 6 hours.
Top with the fried onions just before serving.

Nutrition