Slow-Cooker Green Bean Casserole

Active:
40 mins
Total:
3 hrs
Servings:
12


Ingredients

Green Beans & Mushrooms
2 ½ pounds fresh green beans, trimmed and cut into thirds
1 (10 ounce) package mushrooms, sliced
1 large onion, chopped
3 large cloves garlic, minced
3 tablespoons extra-virgin olive oil
1 ¼ teaspoons salt
½ teaspoon ground pepper
Onion Topping
1 medium onion, halved and sliced
1 cup buttermilk
⅓ cup all-purpose flour
¼ teaspoon ground pepper
⅛ teaspoon salt
Canola or olive oil cooking spray
Sauce
3 tablespoons cornstarch
2 tablespoons dry sherry
1 cup sour cream, at room temperature
½ teaspoon dried thyme

Directions

Step 1
To prepare green beans & mushrooms: Combine green beans, mushrooms, chopped onion, garlic, oil, 1 1/4 teaspoons salt and 1/2 teaspoon pepper in a 5 1/2- to 6-quart slow cooker. Cook on High until tender, about 2 1/2 hours.

Step 2
Meanwhile, preheat oven to 400 degrees F.

Step 3
To prepare onion topping: Combine sliced onion and buttermilk in a medium bowl. Let stand for 15 minutes. Drain (discard buttermilk) and return the onion to the bowl. Sprinkle with flour, pepper and salt and toss to coat well. Transfer to a large, rimmed baking sheet. Generously coat with cooking spray. Bake, stirring once or twice, until tender and crisp, 25 to 28 minutes. Let stand at room temperature for up to 2 hours.

Step 4
To prepare sauce: When the vegetables are done, combine cornstarch and sherry in medium bowl; stir until smooth. Add sour cream and stir to combine well. Add the sour cream mixture and thyme to the vegetables; stir until well coated with the mixture. Cover and continue cooking for 20 more minutes. Serve topped with the crispy onions.

Tips
Equipment: 5 1/2- to 6-quart slow cooker

Nutrition Facts

Per Serving: 133 calories; protein 3.5g; carbohydrates 15.4g; dietary fiber 3.2g; sugars 5.1g; fat 7.1g; saturated fat 2.2g; cholesterol 9.6mg; vitamin a iu 727.8IU; vitamin c 13.6mg; folate 52.4mcg; calcium 66.5mg; iron 1.3mg; magnesium 31.4mg; potassium 372mg; sodium 273mg; thiamin 0.1mg.