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Microwave Frozen Green Beans

Make microwave green beans your handy secret weapon for an easy veggie side dish. They cook straight from frozen to tender, vibrant green in just minutes.

Microwaved frozen green beans topped with melting butter.

Why you’ll love microwave frozen green beans

  • Super Fast – ready in 2 minutes!
  • Hands-off cooking – free yourself from the stovetop with this set and forget method.
  • Perfect Texture – Microwaving gently steams beans, preserving their texture.

Scroll down for the printable recipe card with step-by-step instructions, or read on for all the details.

What beans to use?

You can use either frozen green beans or frozen baby beans for this recipe. Both can be cooked straight from the freezer, with no need to thaw before using.

Note: You can also cook fresh green beans in the microwave, but they will need a splash of water added to generate enough steam during cooking.

How to cook frozen green beans in the microwave

1

Use microwave-safe container.

To cook frozen beans in the microwave, you need a microwave-safe dish with a lid. This can be any bowl or container specifically marked as safe for microwave use.

Frozen green beans in glass microwave bowl.

If you don’t have a lid you can use plastic wrap with some holes poked in.

2

Microwave beans.

Place the frozen beans in the microwave, then microwave on high for 2 minutes (for a 1000W microwave), stirring them once halfway through the cooking time.

Bowl of green beans in microwave.

When they are done, they should be bright green, hot throughout, and tender.

How long to microwave frozen beans

The cooking time for frozen beans in the microwave depends on the power of your microwave, and the quantity of beans you are cooking.

1 cup/ 170g of frozen beans takes around 2 minutes to cook at 1000W. So if you are cooking more or less than that, or if your microwave has a different power level, you’ll need to adjust the cooking time.

Here’s a quick reference of estimated cooking times for different quantities and powers:

Wattage½ cup1 cup2 cups
500-700W2½ minutes4 minutes6 minutes
700-900W2 minutes3 minutes4½ minutes
1000-1200W1½ minutes2 minutes3 minutes
Estimated cooking times for cooking frozen beans in the microwave
Microwaved frozen green beans in a white bowl.

Variations and serving ideas

  • Top with melted butter, or garlic butter for added flavor
  • Toss with crispy bacon bits or pancetta
  • Sprinkle with grated Parmesan or parmesan powder
  • Toss cooked beans with chunks of feta and toasted sliced almonds or pinenuts
Microwaved frozen green beans topped with melting butter.

Microwave Frozen Green Beans

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Make microwave green beans your handy secret weapon for an easy veggie side dish. They cook straight from frozen to tender, vibrant green in just minutes.
Cook Time2 minutes
Total Time2 minutes
Serves4 servings

Ingredients

  • 1 cup / 170 g frozen green beans (Note 1)

Directions

  • Place frozen green beans in a microwave-safe bowl with a well-fitting lid (or you can use microwave-safe plastic wrap with a few holes pierced.)
  • Cook frozen beans in the microwave for 2 minutes, stirring once during cooking. Time is for a 1000W microwave, see notes to convert for other microwave power.
  • Carefully remove the lid from the bowl, it is full of hot steam, which will all escape when the lid is removed.
  • Serve green beans hot, topped with butter. Enjoy!

Notes

Wattage ½ cup 1 cup 2 cups
500-700W 2½ mins 4 mins 6 mins
700-900W 2 mins 3 mins 4½ mins
1000-1200W 1½ mins 2 mins 3 mins

Nutrition

Serving: 1  Calories: 29.4kcal  Carbohydrates: 5.2g  Protein: 2g  Fat: 0.1g  Saturated Fat: 0.03g  Polyunsaturated Fat: 0.1g  Monounsaturated Fat: 0.01g  Sodium: 1.8mg  Potassium: 88.5mg  Fiber: 2.1g  Sugar: 2.1g  Vitamin A: 277.3IU  Vitamin C: 14.5mg  Calcium: 9.1mg  Iron: 0.5mg

Nutrition information is an estimate and provided for informational purposes only.

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