Side Dishes
Betty Crocker's green bean casserole recipe delivers that nostalgic, comforting dish with its signature crispy fried onion topping and creamy mushroom layers. The combination of tender green beans, rich cream of mushroom soup, and crunchy onions creates a texture and flavor profile that's impossible to resist.
I've perfected this classic recipe over years of holiday gatherings, ensuring it's foolproof for any occasion.
What sets this recipe apart is the balance between the creamy mushroom mixture and the crispy fried onion topping. The secret to achieving that perfect texture lies in properly layering the ingredients and baking them just until the top is golden and bubbly.
This dish is a staple for Thanksgiving, Christmas, or any family dinner where comfort food takes center stage.
By following this method, you'll end up with a casserole that's creamy yet not too heavy, with a topping that's crispy enough to stand up to the soft layers beneath.
The aroma alone will have everyone gathering around the table, and the first bite delivers that perfect combination of textures and flavors. It's the kind of dish that brings back childhood memories while still feeling fresh and inviting.
Whether you're making it for a holiday feast or a weeknight dinner, this green bean casserole is sure to become a family favorite. The recipe is designed to be simple yet impressive, with just a few key ingredients that work together to create something truly special.
Let's get started on making this classic dish your own.
Ingredients for betty crocker green bean casserole
Classic comfort food ingredients that bring holiday nostalgia to your table.
| Ingredient | Amount | Notes |
|---|---|---|
| Fresh Green Beans 🥦 | 2 lbs | Trimmed and cut into 2-inch pieces |
| Cream of Mushroom Soup 🍄 | 2 cans | Condensed, 10.5 oz each |
| Milk 🥛 | ½ cup | Whole milk for creaminess |
| French Fried Onions 🧅 | 1 ½ cups | For crispy topping |
| Shredded Cheddar Cheese 🧀 | 1 cup | Sharp cheddar preferred |
| Butter 🧈 | ½ cup | Unsalted, melted |
| All-Purpose Flour 🌾 | 2 tbsp | For thickening |
| Salt 🧂 | ½ tsp | Kosher or sea salt |
| Black Pepper 🌶️ | ¼ tsp | Freshly ground |
| Garlic Powder 🧄 | ½ tsp | For depth of flavor |
| Onion Powder 🧅 | ½ tsp | For aromatic base |
| French Fried Onion Rings 🧅 | 1 can | For extra crunch |
| Heavy Cream 🥛 | ¼ cup | Optional for extra richness |
The green beans are the heart of this dish—fresh is best, but frozen works in a pinch. Look for bright green, crisp beans at the grocery store, preferably 1-inch thick for even cooking. Trader Joe's and Kroger often carry pre-trimmed green beans, saving you time. If using frozen, don't thaw them first—just drain and pat dry before cooking. The cream of mushroom soup should be condensed (not cream-style) for the right texture. Campbell's or Betty Crocker are reliable brands, but homemade mushroom cream sauce elevates this dish to restaurant quality.
No French fried onions? Crispy fried shallots or a mix of toasted breadcrumbs and grated Parmesan work as substitutes. Short on cheddar? Gruyère or Swiss add depth, though sharp cheddar stays truest to the classic. The milk and butter create the creamy base—whole milk and unsalted butter ensure richness. For extra flavor, add a pinch of nutmeg or a dash of Worcestershire sauce to the soup mixture. The garlic and onion powders are optional but worth it for that nostalgic taste. If you're feeling fancy, swap the heavy cream for crème fraîche for a tangier twist.
This casserole reheats beautifully—best served warm straight from the oven. Store leftovers in an airtight container for up to 4 days in the fridge. For a make-ahead option, assemble the casserole (without baking) and refrigerate for up to 24 hours before baking. Freezes well for up to 3 months—just thaw overnight in the fridge before reheating. The topping loses crispiness when reheated, so add fresh fried onions on top before serving. Serve with garlic bread or a simple salad for a complete meal.
Why You'll Love This Recipe
- One-Pan Magic: I swear by this recipe because it’s literally dump-and-bake. Trim those green beans (or skip it if you’re in a hurry), mix in the creamy mushroom soup and milk, top with cheddar and onions, and pop it in the oven. No chopping, no fuss—just hands-off perfection.
- Creamy Crunch Combo: That crispy fried onion layer on top? Chef’s kiss. The creamy mushroom base balances the crunch so well, and the cheddar melts into a golden blanket. It’s the kind of dish where every bite has texture—soft beans, gooey cheese, and that addictive crunch.
- Holiday Table Star: Between us, this is my go-to for Thanksgiving leftovers or Christmas dinner sides. It reheats beautifully, and honestly? It’s way easier than fussing with a fancy green bean dish when you’ve got 20 things going. Plus, everyone always asks for seconds.
- Budget-Friendly Leftovers: A single batch feeds four, but it’s the kind of casserole that begs for seconds. Use up cheap green beans, a can of soup, and a bag of frozen onions—it’s a pantry savior. And the best part? It tastes just as good cold the next day, so lunch is sorted.
Step-by-step instructions for Betty Crocker's green bean casserole
Here's how to create the perfect balance of crispy fried onions and creamy mushroom layers.
Prepare the Green Beans
Trim the ends from the 2 lbs of fresh green beans and cut them into 2-inch pieces. Spread them out on a large baking sheet and steam them for 5-6 minutes until they're bright green and tender-crisp. You want them to hold their shape but still be easily pierced with a fork.
Drain the green beans thoroughly and transfer them to a large mixing bowl. In a small bowl, whisk together the 2 cans of cream of mushroom soup, 0.5 cup of milk, 0.5 cup of melted butter, 2 tbsp of all-purpose flour, 0.5 tsp of salt, 0.25 tsp of black pepper, 0.5 tsp of garlic powder, and 0.5 tsp of onion powder. This creates a rich, flavorful base that will coat the green beans perfectly.
Combine the Green Beans and Sauce
Pour the sauce mixture over the green beans and stir gently until every piece is evenly coated. The sauce should cling to the beans, creating a glossy, appetizing appearance. If the sauce is too thick, add a splash of milk to loosen it to a pourable consistency.
Transfer the green bean mixture to a greased 9x13-inch baking dish. Spread it out evenly, creating a single layer. This ensures even cooking and prevents any part of the casserole from being undercooked. Smooth the top with a spatula for a neat presentation.
Add the Cheese Layer
Sprinkle the 1 cup of shredded cheddar cheese evenly over the green bean mixture. Use your fingers to gently press the cheese into the sauce so it melts smoothly rather than clumping. This step is crucial for achieving that creamy texture throughout the casserole.
For extra richness, drizzle the 0.25 cup of heavy cream over the cheese layer. This optional step adds a luxurious touch, but the casserole will still be delicious without it. The cream will blend into the cheese as it bakes, creating a velvety finish.
Create the Crispy Topping
In a small bowl, combine the 1.5 cups of french fried onions with the contents of 1 can of french fried onion rings. Spread this mixture evenly over the cheese layer, pressing down gently to ensure good contact with the casserole. This creates the signature crispy topping that everyone loves.
Bake the casserole uncovered at 350°F for 30-35 minutes, or until the top is golden brown and bubbly. The edges should be crispy, and the cheese should be fully melted with no raw spots. If the top browns too quickly, tent it loosely with aluminum foil for the last 10 minutes of baking.
Rest and Serve
Remove the casserole from the oven and let it rest for 10 minutes before serving. This allows the layers to set slightly and makes it easier to slice cleanly. The green beans should be tender but still hold their shape, the cheese layer should be creamy, and the onion topping should be crispy and golden.
Cut into squares and serve immediately. The contrast between the crispy onion topping, creamy cheese layer, and tender green beans makes this casserole a classic for a reason. Enjoy with crusty bread or as part of a holiday meal.
Pro Tips For Making Betty Crocker Green Bean Casserole
- Blanch Beans First: Toss fresh green beans in boiling water for 3 minutes before assembling—this firms them up so they don’t turn mushy under the soup sauce. I learned this the hard way after serving a watery casserole that looked more like soup. Drain well and shock in ice water to stop cooking.
- Toast the Onions: Sprinkle the French fried onions over the hot casserole right before baking, not after. The residual heat crisps them instantly—no extra oven time needed. If you’re impatient (like me), broil for 2 minutes at the end, but watch like a hawk so they don’t burn.
- Skip the Extra Cheese: The recipe already calls for shredded cheddar, but adding more just makes the top gluey. If you want extra richness, stir in a spoonful of cream cheese with the soup mixture—it blends smoothly and adds depth without clumping.
- Bake Until Bubbly: Don’t pull it out at 350°F just because the time’s up. The casserole is done when the edges are golden and the center bubbles for 5 minutes after coming out of the oven. A toothpick should come out clean, but the filling can still be slightly creamy.
Creative variations of this betty crocker green bean casserole
Vegan-Friendly Twist
Swap the cream of mushroom soup for 2 cups of homemade mushroom cream sauce made with 1 cup cashew cream (blend ½ cup soaked cashews with ½ cup water), 1 cup vegetable broth, and 1 tbsp nutritional yeast for that umami depth.
Use vegan cheddar shreds and replace milk with unsweetened almond milk. The fried onions stay crispy, but you can use vegan French fried onions (like Annie’s brand) for a fully plant-based version. 🌱
Protein-Packed Version
Boost this classic with 1 cup cooked bacon bits or crumbled sausage mixed into the green bean sauce. For extra protein, stir in ½ cup cooked ground turkey or chicken after removing the casserole from the oven.
Top with an additional ¼ cup of cheese for a heartier dish that satisfies even the hungriest crowd. 💪
Spicy Kick
Add 1 tsp smoked paprika and ½ tsp cayenne pepper to the sauce mixture for a smoky, spicy twist. For heat lovers, sprinkle 1 tbsp chopped jalapeños or ½ tsp chipotle powder into the cheese layer.
Garnish with fresh cilantro and a squeeze of lime before serving for a Southwestern-inspired twist. 🌶️
Low-Carb Adaptation
Replace the green beans with 2 cups sliced zucchini or cauliflower florets (steamed until tender-crisp). Use ½ cup heavy cream instead of milk and reduce the cheese to ½ cup shredded Parmesan.
For extra crunch, top with crushed pork rinds instead of fried onions. This version keeps the creamy, cheesy goodness while cutting carbs. 🥦
Gourmet Upgrade
Elevate this dish with wild mushroom duxelles (finely chopped mushrooms sautéed with garlic and thyme) mixed into the sauce. Swap the fried onions for toasted breadcrumbs and grated Gruyère cheese. Finish with a drizzle of truffle oil and fresh thyme for a restaurant-worthy version. 🍽️
Freezer-Friendly Hack
Assemble the casserole in a freezer-safe dish, cover tightly with plastic wrap and aluminum foil, and freeze for up to 3 months. When ready to serve, bake straight from frozen at 375°F for 45-50 minutes, adding 5-10 minutes of uncovered baking time for a crispy top.
This is perfect for holiday prep! ❄️
Nutrition facts
Frequently asked questions
Can I use frozen green beans instead of fresh?
Yes! Frozen green beans work perfectly—just skip the steaming step and drain them well after boiling or thawing. They’ll absorb the sauce just as well as fresh beans, though fresh ones have a slightly firmer texture. If using frozen, add them directly to the sauce mixture after draining.
Why does my topping get soggy?
Soggy toppings happen when moisture escapes during baking. Press the fried onions firmly into the cheese layer before baking, and bake uncovered for the first 20 minutes to crisp them. For extra crunch, sprinkle a pinch of cornstarch over the onions before baking or broil for 1-2 minutes at the end.
Can I make this ahead of time?
Assemble the casserole (without baking) up to 24 hours ahead and refrigerate. Bake straight from the fridge, adding 10-15 extra minutes at 350°F. For freezing, assemble fully (including topping), cover tightly, and freeze for up to 3 months. Thaw overnight before baking.
What’s the secret to creamy, not greasy, sauce?
The flour in the sauce mixture thickens it properly, but the key is balancing the creaminess with proper baking time. Stir the sauce ingredients until smooth, and don’t overmix the green beans—gentle tossing prevents mushiness. Bake until the edges are set but the center is still slightly jiggly for that velvety texture.
Can I substitute the cream of mushroom soup?
Yes! For a homemade version, blend 1 cup sautéed mushrooms, ½ cup milk, 2 tbsp butter, and 1 tbsp flour. For a lighter option, use ½ cup Greek yogurt mixed with ½ cup mushroom broth. Just ensure it’s thick enough to coat the beans—thin sauces make for a watery casserole.