Green Beans Au Gratin Recipe

Elevate your next special occasion with this irresistible Green Bean Au Gratin! This easy-to-make recipe features tender green beans in a creamy, cheesy sauce, topped with crunchy potato chips for an unexpected twist. The secret? Don't skip the potato chips – they add a delightful textural contrast and savory crunch that takes this classic dish to the next level. Perfect for family dinners, potlucks, or holiday gatherings!

Prep Time 15 mins
Cook Time 45 mins
Calories 405.3 kcal
Protein 28g
Rating 4.9 (21 Reviews)
Green Beans Au Gratin 41

Recipe Actions

Share this recipe:

Recipe Author

Chef Forktionary, author of this recipe

Recipe adapted from Food.com. Standardized by Forktionary.

Ingredients for Green Beans Au Gratin

Cook Smarter with Sous, Your Kitchen Companion

Missing an ingredient for this Green Beans Au Gratin? Need a perfect wine pairing or a healthy side dish idea? Don't guess—ask Sous! Your AI-powered sous-chef is ready to help you swap ingredients, adjust serving sizes, and discover flavor tips in seconds.

How to Make Green Beans Au Gratin

  1. Preheat oven to 350°F (175°C).
  2. Melt 2 tablespoons of butter in a medium saucepan over medium heat.
  3. Whisk in 2 tablespoons of all-purpose flour, 1/2 teaspoon salt, 1/4 teaspoon black pepper, and 1/4 teaspoon Dijon mustard.
  4. Cook, stirring constantly, until the mixture is smooth and bubbly (about 1 minute).
  5. Gradually whisk in 1 1/2 cups of milk until the sauce thickens (about 2-3 minutes).
  6. Reduce heat to low. Stir in 1 1/2 cups of shredded cheddar cheese until melted and smooth.
  7. Add 1 pound of trimmed green beans to the cheese sauce and stir to coat.
  8. Pour the green bean mixture into a greased 8x8 inch casserole dish.
  9. Sprinkle 1/2 cup grated Parmesan cheese and 1/2 cup crushed potato chips evenly over the top.
  10. Crumble 2 slices of cooked bacon and sprinkle over the top along with 1/4 teaspoon paprika.
  11. Bake for 30-35 minutes, or until bubbly and golden brown.

Nutrition Information (Approximate per serving)

Sodium

40 g

Sugar

11g

Fat

75g

Carbs

7g

Recipe Tags (Choose a tag and find related recipes!)