Green Bean Casserole Recipe: A Propane-Powered Holiday Favorite


The holidays are a time for gathering around delicious, hearty meals. This creamy green bean casserole, cooked to perfection on propane, is sure to steal the show. Featuring tender green beans, a rich mushroom-onion filling and a crispy, cheesy topping, this recipe combines classic flavors with modern convenience. But there’s more to the story than just the dish: Propane’s versatility and efficiency make it the ultimate cooking companion, whether you’re in a professional kitchen or your own backyard.

Let’s dig into the green bean casserole recipe and explore the benefits of cooking with propane.

Green Bean Casserole Recipe Ingredients:

• 2 lbs green beans
• 12 tbsp. (1 1/2 sticks) unsalted butter, divided
• 1 white onion, sliced lengthwise
• 1 lb cremini mushrooms, sliced
• Freshly ground black pepper
• 4 cloves garlic, finely chopped
• 1/2 cup all-purpose flour
• 3 cups whole milk
• 3 cups vegetable stock
• 1 1/2 cups French’s fried onions
• 1/4 cup Pecorino cheese

Green Bean Casserole Recipe Directions:

1. Preheat your oven to 350°F. Prepare a bowl of ice.
2. Boil water in a large pot and cook the green beans until they turn bright green, about 3 minutes. Transfer the beans to the ice to cool.
3. In a large frying pan over medium heat, melt half the butter. Add garlic and onions, cooking for 5-7 minutes until softened. Stir in mushrooms and cook until tender, another 5-7 minutes.
4. In another large pot, melt the remaining butter. Whisk in the flour to form a light roux, about 3 minutes. Gradually add milk and vegetable stock, seasoning with salt and pepper. Simmer and whisk until thickened, about 4 minutes.
5. Pour the sauce into a 13” x 9” casserole dish. Add the mushroom-onion mixture and green beans. Mix until combined.
6. Bake in the oven for 15-20 minutes until bubbling and gooey. Top with fried onions and Pecorino cheese, and bake until the topping is crispy.
7. Let cool for 8-10 minutes and serve.

Why Cook with Propane?

Propane is more than just a fuel; it’s a staple in the kitchen. Here are some of the benefits of cooking with propane:

1. Precise temperature control: Propane burners provide immediate heat and precise control, allowing you to adjust the temperature effortlessly. This is crucial for our green bean casserole recipe and others like it, where creating a perfectly thickened roux depends on maintaining consistent heat.

2. Faster cooking times: With propane’s high energy efficiency, your stove or oven heats up quickly, reducing cooking times. This efficiency means you can spend less time waiting and more time enjoying your meal with loved ones.

3. Reliable energy source: Propane isn’t dependent on electricity, making it a reliable option during power outages. That means—even if the weather takes a turn on a holiday—the celebration can continue. Whether you’re baking casseroles or cooking ham outdoors, propane ensures your feast goes off without a hitch.

4. Environmentally-friendly: Propane is a cleaner-burning fuel, producing fewer greenhouse gas emissions compared to traditional cooking fuels. According to the Propane Education & Research Council. cooking with propane emits about 30% less carbon emissions compared to cooking with other non-propane alternatives¹.

5. Versatility: From stovetops to outdoor grills and portable heaters, propane’s versatility means you can prepare meals virtually anywhere. Its adaptability makes it ideal for everything from holiday feasts to summer barbecues.

Make Your Holidays Shine with Propane

This holiday season, let propane take the stress out of cooking so you can focus on what matters most: spending quality time with family and friends. Whether you’re crafting this green bean casserole recipe or experimenting with other ones, propane’s reliability and efficiency make every meal a success.

For more information on the benefits of propane in the kitchen and throughout your home, visit our “Energy for Your Home” page.  

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¹ Ranges, Ovens, & Stoves | PERC (2024)