Homemade Green Bean Casserole Recipe
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Homemade Green Bean Casserole Recipe
Description
This casserole begins by blanching green beans to maintain a tender-crisp texture, then chilling them to retain color and firmness. Bacon is cooked until crisp, and the rendered fat is used to sauté button and cremini mushrooms alongside pearl onions until browned. Minced garlic is added before flour coats the mixture, creating a roux that thickens the sauce when chicken stock and heavy cream are incorporated. The resulting sauce is thick and rich, blending with crispy bacon pieces, fresh thyme, and seasoning. The green beans are folded into the sauce mixture before assembling. Onion straws are prepared by thinly slicing onions, dipping them in a milk-egg mixture, flour, and paprika coating, then frying until crisp. The dish can be prepared ahead by keeping components separate and reheated later. It keeps well in the refrigerator and reheats in the oven or microwave. Using fresh green beans and homemade onion straws gives a distinct texture compared to traditional boxed versions.
Ingredients
For the Green Beans:
- 2 pounds haricot verts or green beans, trimmed
- 8 Bacon strips sliced
- 8 ounces button mushrooms sliced
- 8 ounces cremini mushrooms sliced
- 1 cup pearl onion or diced yellow onion
- 4 garlic finely minced
- 3 tablespoons all-purpose flour
- 2 cups chicken stock
- 2 cups heavy cream
- 1 ½ tablespoons thyme fresh, diced
- salt to taste
- black pepper to taste
For the Onion Straws
- 1 egg egg whisked with ½ cup of whole milk
- 1 whole milk egg whisked with ½ cup of whole milk
- 1 cup all-purpose flour
- 2 teaspoons paprika
- 1 yellow onion peeled, very thinly sliced
- salt to taste
- black pepper to taste
- cooking oil for frying
Instructions
- Preheat the oven to 225°.
- Add the green beans to a large pot of boiling, salted water for 3 to 4 minutes or until cooked and slightly firm. Immediately add them to a large container of ice water and chill until cold. Strain and set aside.
- In a large frying pan or cast-iron skillet over medium heat, add in the bacon and cook until very crispy brown, about 5 minutes. Remove the crispy brown bacon and set them aside.
- Add the mushrooms and onions to the pan with rendered bacon fat over medium-high heat and brown them well, which takes about 10 to 15 minutes. Stir often.
- Stir in the garlic and cook for 1 minute and then sprinkle in the flour and mix until completely combined.
- Pour in the chicken stock and cook over medium heat for 3 to 4 minutes or until very thick. Pour in the cream and cook until it becomes very thick like alfredo sauce.
- Stir in the crispy bacon lardons, fresh thyme, season with salt and pepper, and then fold in the chilled, strained green beans.
- Place the pan in the oven at 225° for 20 to 30 minutes while making the onion straws.
- Add the egg mixed with milk into a medium size bowl.
- In a separate medium size bowl mix together the flour with salt, pepper, and paprika.
- Add the sliced onions in egg wash and mix, and then dredge them in flour until completely coated.
- Fry the onions straws in a pot or cast-iron skillet of oil at 350° until crispy brown, which takes about 1 to 2 minutes. Drain the onions on a cookie sheet tray lined with paper towels.
- Add the onion straws to the top of the green bean casserole and serve.
Notes
- This recipe can be made up to 1 hour before serving; keep warm in a 200°F oven until ready.
- To reheat leftovers, cover and bake at 350°F for 15-20 minutes, or microwave until hot.
- Store refrigerated leftovers covered for up to 5 days.
- For advance prep, keep the sauce separate from blanched green beans and combine before baking.
- Onion straws can be fried the day before and stored on paper towels covered with plastic wrap.
- Canned green beans can be used directly without blanching; adjust cooking accordingly.
- Pre-made onion straws are a convenient substitute.
- Regular green beans can replace haricot verts if desired.
Nutrition Information
Show DetailsNutrition Facts
Serving: 12Serving
Amount Per Serving
Calories 386 kcal
% Daily Value*
| Calories | 386kcal | 19% |
| Carbohydrates | 22g | 7% |
| Protein | 8g | 16% |
| Fat | 31g | 48% |
| Saturated Fat | 12g | 60% |
| Polyunsaturated Fat | 4g | 24% |
| Monounsaturated Fat | 13g | 65% |
| Trans Fat | 1g | 50% |
| Cholesterol | 65mg | 22% |
| Sodium | 178mg | 7% |
| Potassium | 477mg | 10% |
| Fiber | 3g | 12% |
| Sugar | 5g | 10% |
| Vitamin A | 1318IU | 26% |
| Vitamin C | 14mg | 16% |
| Calcium | 74mg | 7% |
| Iron | 2mg | 11% |
* Percent Daily Values are based on a 2,000 calorie diet.