Alfredo Green Bean Casserole

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This simple twist on green bean casserole uses prepared Alfredo sauce for a base. The green beans and sauce combined with water chestnuts, roasted red peppers, ripe olives, and French-fried onions creates a dish with great flavor, color, and texture. Experiment with your microwave's timing to cook this in a casserole dish for a speedier version that works just as well.

Prep Time:
10 mins
Cook Time:
3 hrs
Total Time:
3 hrs 10 mins
12 servings


  • 1 (28 ounce) package frozen cut green beans

  • 1 (28 ounce) package French-fried onions

  • 1 (10 ounce) container Alfredo sauce

  • 1 (8 ounce) can sliced water chestnuts, drained

  • 1 (2.25 ounce) can sliced ripe olives, drained

  • ½ cup roasted red bell peppers, cut into strips

  • 1 tablespoon dried parsley (Optional)

  • ¼ teaspoon salt

  • 1 pinch ground black pepper


  1. Combine green beans, onions, Alfredo sauce, water chestnuts, olives, roasted red bell peppers, parsley, salt, and black pepper in a 4- to 6-quart slow cooker. Cover and cook on High until flavors are combined, 3 to 4 hours.

Cook's Note:

You can use 3 cans whole green beans in place of the frozen beans if desired. Omit salt if using canned green beans.

Nutrition Facts (per serving)

528 Calories
40g Fat
37g Carbs
2g Protein
Nutrition Facts
Servings Per Recipe 12
Calories 528
% Daily Value *
Total Fat 40g 51%
Saturated Fat 12g 61%
Cholesterol 9mg 3%
Sodium 914mg 40%
Total Carbohydrate 37g 13%
Dietary Fiber 2g 9%
Total Sugars 3g
Protein 2g
Vitamin C 11mg 53%
Calcium 25mg 2%
Iron 1mg 6%
Potassium 28mg 1%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.