7 Make-Ahead Green Bean Casseroles With Sour Cream, Mushrooms & Thyme

7 Make-Ahead Green Bean Casseroles With Sour Cream, Mushrooms & Thyme

Classic Green Bean Casserole With Creamy Sour Cream

creamy green bean casserole

Make-Ahead Green Bean Casserole is a delightful dish that combines fresh green beans with a creamy sour cream mixture, providing a rich and comforting flavor that complements any meal. Perfect for family gatherings or holiday feasts, this recipe can be prepared in advance, allowing you to enjoy quality time with loved ones while your casserole bakes to perfection.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Cream of mushroom soup 1 can (10.5 oz)
Sour cream 1 cup
Fried onions 1 ½ cups
Milk ½ cup
Garlic powder ½ teaspoon
Salt ½ teaspoon
Black pepper ¼ teaspoon
Grated cheddar cheese 1 cup (optional)

Cooking Steps:

  1. Preheat your oven to 350°F (175°C).
  2. Trim and blanch the green beans in boiling water for 3-4 minutes, then cool them in ice water.
  3. In a large bowl, combine the cream of mushroom soup, sour cream, milk, garlic powder, salt, and black pepper. Mix well.
  4. Add the blanched green beans to the creamy mixture and stir until well coated.
  5. Transfer the mixture to a baking dish, and top with fried onions and cheddar cheese if desired.
  6. Cover with foil and refrigerate (if making ahead) or bake uncovered for 25-30 minutes until heated through and bubbly. If prepared in advance, bake for an additional 10-15 minutes. Enjoy!
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Savory Mushroom and Thyme Green Bean Casserole

savory green bean casserole

Savory Mushroom and Thyme Green Bean Casserole is a delightful twist on the traditional casserole, combining tender green beans with a rich, savory mushroom sauce infused with fresh thyme. This hearty dish is perfect for potlucks, holiday dinners, or as a comforting weeknight meal, and can easily be made ahead of time to save you stress in the kitchen.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Olive oil 2 tablespoons
Mushrooms, sliced 8 ounces
Onion, diced 1 medium
Garlic, minced 2 cloves
Fresh thyme, chopped 1 tablespoon
Cream of mushroom soup 1 can (10.5 oz)
Sour cream 1 cup
Fried onions 1 ½ cups
Salt ½ teaspoon
Black pepper ¼ teaspoon
Grated Parmesan cheese 1 cup (optional)

Cooking Steps:

  1. Preheat your oven to 350°F (175°C).
  2. Trim and blanch the green beans in boiling water for 3-4 minutes and then cool them in ice water.
  3. In a skillet, heat olive oil over medium heat and sauté onions and garlic until translucent. Add mushrooms and thyme; cook until the mushrooms are tender.
  4. In a large bowl, mix the sautéed mushroom mixture, cream of mushroom soup, sour cream, salt, and black pepper. Stir in the green beans until well coated.
  5. Transfer the mixture to a baking dish, top with fried onions and Parmesan cheese if desired.
  6. Cover with foil and refrigerate (if making ahead) or bake uncovered for 25-30 minutes until hot and bubbling. If prepared in advance, bake for an additional 10-15 minutes. Enjoy!
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Cheesy Green Bean Casserole With Crunchy Topping

cheesy green bean casserole

Cheesy Green Bean Casserole With Crunchy Topping is a comforting and indulgent twist on the classic casserole, combining crisp green beans with a creamy, cheesy sauce and a satisfying crunchy topping. This make-ahead dish is ideal for family gatherings, potlucks, or festive occasions, and can be easily prepared in advance, making your meal prep a breeze.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Butter 2 tablespoons
Onion, diced 1 medium
Garlic, minced 2 cloves
Cream of mushroom soup 1 can (10.5 oz)
Cream cheese 8 ounces
Shredded cheddar cheese 2 cups
Milk ½ cup
Fried onions 1 cup
Salt ½ teaspoon
Black pepper ¼ teaspoon
Bread crumbs 1 cup

Cooking Steps:

  1. Preheat your oven to 350°F (175°C).
  2. Trim and blanch the green beans in boiling water for 3-4 minutes, then cool in ice water.
  3. In a skillet, melt butter and sauté onion and garlic until soft.
  4. In a large bowl, mix sautéed onion, cream of mushroom soup, cream cheese, shredded cheddar cheese, milk, salt, and black pepper until smooth. Stir in green beans.
  5. Transfer the mixture to a baking dish and top with fried onions and bread crumbs.
  6. Cover and refrigerate if making ahead, or bake uncovered for 25-30 minutes until hot and bubbly. If made ahead, bake for an additional 10-15 minutes. Enjoy!
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Parmesan and Herb Green Bean Casserole

creamy parmesan herb casserole

Parmesan and Herb Green Bean Casserole is a delightful and fresh twist on the traditional green bean dish. This version features vibrant green beans baked in a creamy Parmesan sauce, combined with fragrant herbs that elevate the flavors, making it a perfect complement to any meal. Its make-ahead nature allows for easy preparation, ensuring a stress-free addition to your dining table.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Olive oil 2 tablespoons
Onion, diced 1 medium
Garlic, minced 2 cloves
Cream of mushroom soup 1 can (10.5 oz)
Grated Parmesan cheese 1 cup
Heavy cream ½ cup
Chopped fresh herbs (e.g., thyme, parsley) ¼ cup
Salt ½ teaspoon
Black pepper ¼ teaspoon
Bread crumbs 1 cup

Cooking Steps:

  1. Preheat your oven to 350°F (175°C).
  2. Trim the green beans and blanch them in boiling water for 3-4 minutes, then plunge them into ice water to stop the cooking process.
  3. In a skillet, heat olive oil and sauté the onion and garlic until fragrant and soft.
  4. In a large mixing bowl, combine the sautéed onion and garlic, cream of mushroom soup, grated Parmesan, heavy cream, chopped herbs, salt, and black pepper. Stir until well blended, then add the green beans.
  5. Pour the mixture into a baking dish and top with bread crumbs.
  6. If preparing ahead, cover and refrigerate. When ready to bake, uncover and bake for 25-30 minutes until bubbly. If made ahead, bake for an additional 10-15 minutes. Enjoy!
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Spicy Green Bean Casserole With Jalapeños

spicy green bean casserole

Spicy Green Bean Casserole With Jalapeños is a bold and flavorful twist on the classic dish that adds a kick of heat to the traditional green bean casserole. This version combines crisp-tender green beans with a creamy, spicy sauce and jalapeños, making it an exciting option for gatherings or family dinners. Plus, its make-ahead quality ensures that you can prepare it ahead of time for a hassle-free meal.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Olive oil 2 tablespoons
Onion, diced 1 medium
Garlic, minced 2 cloves
Cream of mushroom soup 1 can (10.5 oz)
Sliced jalapeños (fresh or pickled) ½ cup
Grated sharp cheddar cheese 1 cup
Heavy cream ½ cup
Salt ½ teaspoon
Black pepper ¼ teaspoon
Bread crumbs 1 cup

Cooking Steps:

  1. Preheat your oven to 350°F (175°C).
  2. Trim the green beans and blanch them in boiling water for 3-4 minutes, then plunge them into ice water to stop cooking.
  3. In a skillet, heat olive oil and sauté the onion and garlic until fragrant and soft.
  4. In a large bowl, combine the sautéed onion and garlic, cream of mushroom soup, sliced jalapeños, grated cheddar, heavy cream, salt, and black pepper. Mix well and then fold in the green beans.
  5. Transfer the mixture to a baking dish and top with bread crumbs.
  6. If making ahead, cover and refrigerate. When ready to bake, uncover and bake for 25-30 minutes until bubbly, or add an extra 10-15 minutes if prepared ahead. Enjoy!
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Vegetarian Green Bean Casserole With Almonds

vegetarian green bean casserole

Vegetarian Green Bean Casserole With Almonds is a delightful and nutty twist on the traditional dish that is sure to please both vegetarians and meat-eaters alike. This recipe features fresh green beans combined with a creamy mushroom sauce and topped with crunchy almonds, making it a satisfying side dish for any occasion. Its make-ahead capability allows you to prepare it in advance, ensuring an easy and delicious addition to your holiday meal or family gathering.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Olive oil 2 tablespoons
Onion, diced 1 medium
Garlic, minced 2 cloves
Cream of mushroom soup 1 can (10.5 oz)
Vegetable broth ½ cup
Sliced almonds ¾ cup
Salt ½ teaspoon
Black pepper ¼ teaspoon
Bread crumbs 1 cup
Grated Parmesan cheese ½ cup

Cooking Steps:

  1. Preheat the oven to 350°F (175°C).
  2. Trim the green beans and blanch them in boiling water for 3-4 minutes before transferring them to an ice bath to cool.
  3. In a skillet, heat olive oil and sauté the onion and garlic until softened and fragrant.
  4. In a large mixing bowl, combine the sautéed onion and garlic, cream of mushroom soup, vegetable broth, sliced almonds, salt, and black pepper. Mix well and gently fold in the green beans.
  5. Transfer the mixture to a baking dish and sprinkle with bread crumbs and Parmesan cheese.
  6. If preparing ahead of time, cover and refrigerate. When ready to bake, uncover and bake for 25-30 minutes until bubbly, adding an additional 10-15 minutes if previously refrigerated. Enjoy!
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Holiday Green Bean Casserole With Cranberries and Thyme

festive green bean casserole

Holiday Green Bean Casserole With Cranberries and Thyme is a festive and flavorful take on the classic green bean casserole, perfect for holiday gatherings. The addition of sweet and tangy cranberries, along with fragrant thyme, elevates this side dish, making it a standout on any table. With the option to prepare it ahead of time, this casserole is not only delicious but also convenient for those busy holiday meals.

Ingredients Quantity
Fresh green beans 1 ½ pounds
Olive oil 2 tablespoons
Onion, diced 1 medium
Garlic, minced 2 cloves
Cream of mushroom soup 1 can (10.5 oz)
Vegetable broth ½ cup
Dried cranberries ¾ cup
Fresh thyme, chopped 1 tablespoon
Salt ½ teaspoon
Black pepper ¼ teaspoon
Bread crumbs 1 cup
Grated sharp cheddar cheese ½ cup

Cooking Steps:

  1. Preheat the oven to 350°F (175°C).
  2. Trim the green beans and blanch them in boiling water for 3-4 minutes before placing them in an ice bath.
  3. In a skillet, heat olive oil and sauté the onion and garlic until softened.
  4. In a mixing bowl, combine the sautéed onion and garlic, cream of mushroom soup, vegetable broth, dried cranberries, thyme, salt, and black pepper. Fold in the green beans.
  5. Transfer to a baking dish, top with bread crumbs and cheddar cheese.
  6. Cover and refrigerate if preparing ahead. When ready to bake, uncover and bake for 25-30 minutes, adding another 10-15 minutes if previously refrigerated. Serve and enjoy!

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Hi! I’m Emily. I’m a cozy‑kitchen tinkerer turning everyday ingredients into crave‑worthy plates—quick sizzles, bright flavors, and zero fuss, always with a smile. Playlist on, whisk in hand, I chase comfort that tastes a little sparkly and a lot homemade—playful, practical, and unapologetically delicious.