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Top shot of the corner of a casserole dish filled with easy green bean casserole and topped with french fried onions.

Easy Green Bean Casserole

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 1 review
  • Author: Erin Jensen
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Total Time: 45 minutes
  • Yield: 8 servings 1x
  • Category: Side Dish
  • Method: Oven
  • Cuisine: American


Easy Green Bean Casserole – the easiest and quickest green bean casserole around! Comes together quickly and can be prepped ahead!


  • (2) 14.5oz cans of green beans (French-cut style), drained
  • 10oz can Cream of Mushroom Soup*
  • 3/4 cup regular or unsweetened almond milk
  • 1/8 teaspoon ground black pepper
  • 1/8 teaspoon red pepper flakes (optional)
  • 1 1/2 cup french fried onions (regular or gluten-free), divided


  1. Preheat oven to 350 degrees F. 
  2. Add the green beans to a 8×11 casserole dish. 
  3. Add the can of soup, milk, pepper, red pepper flakes and 1/2 cup of the fried onions. Stir to combine the creamy mushroom sauce.
  4. Place in oven, middle rack and uncovered, for 30 minutes. 
  5. Remove and top with remaining fried onions. Bake for another 5-10 minutes or until bubbly.
  6. Let cool slightly before serving. 


  • Prep ahead: this is a great Holiday side dish to prep ahead! I recommend mixing it in the morning (just omit stirring in the french fried onions or they will get soggy – do that last minute) and then refrigerate until you need to pop it in the oven!
  • *Cream of Mushroom Soup: this recipe is “easy” for a reason, we are calling for canned cream of mushroom soup – we love the Pacific Foods Organic Cream of Mushroom Soup!
  • Dairy-Free: if you are looking for a dairy-free green bean casserole we have one here for you!
  • Gluten-Free: to make this gluten-free, simply use a gluten-free brand of fried onions!
  • Storage: store leftovers in an airtight container in the refrigerator for up to 5 days.


  • Serving Size: 6oz
  • Calories: 74
  • Sugar: 4.8 g
  • Sodium: 249.6 mg
  • Fat: 2.3 g
  • Carbohydrates: 12.3 g
  • Protein: 2.8 g
  • Cholesterol: 0 mg