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green bean casserole with a spoon scooping some out.
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4.89 from 72 votes

Fresh Green Bean Casserole From Scratch

A classic casserole, but made entirely from scratch!
Course Side Dish
Cuisine American
Diet Vegetarian
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 8 servings
Calories 372kcal
Author Tracy

Equipment

  • Casserole Dish at least 3.5 quarts

Ingredients

Instructions

  • Pre-heat oven to 400°, set rack to middle of oven, and put a large pot of salted water to boil.
  • If using pre-made soup that's been stored in the fridge. Add soup to a medium saucepan to warm.
  • Once water comes to a boil, add beans. Boil beans for 5 minutes and then drain.
  • Add beans to a pan and sprinkle salt, pepper, and minced sage on top.
  • Mix warmed soup in with the green beans so that it is all well incorporated.
  • Sprinkle in some of the French's Fried Onions and give another mix. Or just top green beans and mushrooms with all of the fried onions.
  • Bake in oven for 10-15 minutes or until onions begin to brown.

Video

Notes

Substitutions: 
Green Beans: While fresh is of course our preferred, you can also use frozen.  That's going to be the closest. Use whole frozen green beans and let them thaw before adding them to the pan. 
Cream of Mushroom Soup: Homemade is our preferred due to flavor and mushrooms, but you can use canned as well.  For this recipe, use 2 canned cups of condensed cream of mushroom soup with 1 1/2 cups of water mixed in.  
French's Fried Onions: Use 12-14 oz of pre-made fried onions.
Prepare in Advance
You can prepare almost all of the components up to 3 days in advance
Green Beans: Blanch the green beans and store them in the fridge, or freeze them for up to 6 months.  Add green beans directly from the fridge into a casserole dish.  Let frozen greens thaw before adding to the casserole dish.
Soup: Prepare the soup and store it in the fridge for up to 3 days. 
Onions: Prepare the French's Fried Onions and ensure they cool completely before storing them in an airtight container at room temperature
Prepare the entire casserole up to 2 days in advance, minus the fried onions, and store it assembled in the fridge.  To bake, remove casserole from the fridge and let it come up to room temp, at least 30 minutes and up to 60.  Add onions and bake.

Nutrition

Calories: 372kcal | Carbohydrates: 36g | Protein: 4g | Fat: 23g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Cholesterol: 5mg | Sodium: 1069mg | Potassium: 1034mg | Fiber: 4g | Sugar: 6g | Vitamin A: 783IU | Vitamin C: 14mg | Calcium: 145mg | Iron: 1mg