Creamy Homestyle Green Bean Casserole with Crunchy Onions (Print Version)
A rich, creamy Green Bean Casserole topped with crispy fried onions. This comforting side dish brings warmth and nostalgia to any meal.
# Recipe Info:
Prep Time: 15 Minutes minutes
Cook Time: 30 Minutes minutes
Total Time: 45 minutes
Servings: 6 Servings
Difficulty: Beginner
Cuisine: American
Dietary: Vegetarian
# Ingredients:
→ Garden Fresh Goodies
01 -
1 ½ lbs fresh green beans, trimmed
02 -
8 oz cremini mushrooms, sliced
03 -
1 yellow onion, finely diced
→ Creamy Base Essentials
04 -
4 tbsp unsalted butter
05 -
¼ cup all-purpose flour
06 -
1 ½ cups chicken broth (or vegetable broth)
07 -
1 ½ cups whole milk
→ Flavor Boosters
08 -
1 tsp fresh thyme leaves, chopped
09 -
½ tsp garlic powder
10 -
½ tsp onion powder
11 -
Salt and freshly ground black pepper, to taste
→ Crunchy Topping
12 -
1 (6 oz) can crispy fried onions
# Instructions:
01 -
First things first, get those green beans ready, hon! I snap off the tough ends, you know, the little woody bits? Then I steam them until they're tender-crisp, bright green and still have a little bite. This usually takes me about 5-7 minutes. You want them cooked but not mushy, because honestly, soggy green beans are a crime! I always forget to salt the water here, so learn from my oops and add a pinch for flavor.
02 -
In a large oven-safe skillet or Dutch oven, melt some butter over medium heat. Toss in your diced yellow onion and those beautiful cremini mushrooms. Sauté them until they’re softened and the mushrooms are deeply golden brown, about 8-10 minutes. This is where the magic starts to happen, creating a rich base for our Green Bean Casserole. Don't rush this step, it really builds the flavor layers.
03 -
Sprinkle the flour over the sautéed onions and mushrooms. Stir it constantly for about a minute, letting it cook out that raw flour taste – trust me, you don't want that! Then, gradually whisk in the chicken broth, making sure there are no lumps. Next, slowly pour in the whole milk, continuing to whisk until the sauce starts to thicken. It should be a lovely, smooth consistency, coating the back of a spoon.
04 -
Once your sauce is thick and bubbly, stir in the fresh thyme, garlic powder, onion powder, salt, and black pepper. Give it a good taste! This is your chance to adjust the seasonings to your liking. Let it simmer gently for another 2-3 minutes, allowing all those flavors to meld together. The kitchen should smell absolutely divine right now; it’s one of my favorite parts of making Green Bean Casserole.
05 -
Carefully fold in your steamed green beans into the creamy sauce, making sure every bean is lovingly coated. If you’re using an oven-safe skillet, you can just leave it there. Otherwise, transfer everything to a 9x13 inch baking dish. Sprinkle about half of your crispy fried onions evenly over the top. Pop it into a preheated oven at 375°F (190°C) for about 15-20 minutes, until bubbly and heated through.
06 -
After that initial bake, pull the Green Bean Casserole out of the oven. Sprinkle the remaining crispy fried onions over the top. Return it to the oven for another 5-10 minutes, or until those onions are beautifully golden brown and extra crispy. Keep an eye on them so they don't burn! Serve this beauty immediately. It should be hot, bubbling, and smelling absolutely irresistible. Enjoy your incredible Green Bean Casserole!
# Notes:
01 -
My secret for extra flavor? Sauté those mushrooms until they're really golden brown before adding them to the sauce. It makes all the difference, trust me!
02 -
You can assemble the casserole a day ahead, cover it, and pop it in the fridge. Just add about 10-15 minutes to the baking time when you pull it out.
03 -
No fresh mushrooms? Canned cream of mushroom soup works in a pinch, but honestly, the fresh stuff gives it so much more oomph.
04 -
A sprinkle of fresh thyme or parsley right before serving adds a lovely pop of color and a little herbal freshness.
# Tools You'll Need:
01 -
Large oven-safe skillet or Dutch oven
02 -
9x13 inch baking dish
03 -
whisk
04 -
measuring cups and spoons
05 -
cutting board
06 -
knife
07 -
steamer basket (optional)
# Nutrition Facts (Per Serving):
Calories: 320 kcal
Total Fat: 20g
Total Carbohydrate: 28g
Protein: 8g