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Dinner · Part 2 of 3: Instructions

Slow Cooker Garlic Butter Green Beans and Potatoes Step-by-step instructions

A close-up view of tender green beans and halved baby red potatoes in a garlic butter sauce inside a slow cooker.
Prep
Cook
Total
Serves
4

Before you start

Before beginning, ensure all vegetables are thoroughly washed. Trim the ends of the green beans and cut the baby red potatoes into uniform halves. Having these ingredients prepped and ready will make the assembly process seamless.

Check that the slow cooker is clean and positioned on a stable, heat-resistant surface away from any edges. Ensure the butter is fully melted before you start the assembly process to guarantee even distribution throughout the crock.

Ingredients at a glance (5)
  • 1 lb fresh green beans, trimmed
  • 1 lb baby red potatoes, halved
  • 1 tsp garlic powder
  • 1 tsp dried herbs
  • 4 tbsp unsalted butter, melted

Instructions

Preparing the base

  1. Layer the vegetables
    Place the trimmed fresh green beans into the bottom of the slow cooker. Add the halved baby red potatoes on top of the green beans, arranging them in an even layer to ensure consistent cooking throughout the process.
    Look for Vegetables are evenly distributed in the crock.
    Tip Ensure the potatoes are cut to a uniform size so they cook at the same rate as the beans.

The green beans and potato halves are layered neatly in the crockpot. The surface should look full but not excessively packed, leaving enough room for the steam to circulate during the cooking process. Verify that the potatoes are cut to a uniform size, as this is the primary factor in ensuring even cooking throughout the entire duration.

Seasoning the dish

  1. Season and butter
    Sprinkle the garlic powder and dried herbs evenly over the potatoes and green beans. Pour the melted butter over the top of the entire mixture, ensuring it coats the vegetables as it settles into the bottom of the slow cooker.
    Look for Butter is drizzled evenly over all the ingredients.
    Tip Shake the seasoning ramekin to get an even distribution across the entire surface of the vegetables.

The garlic powder, dried herbs, and melted butter are evenly applied. The herbs and seasoning should be visible on the surface of the vegetables. The butter will begin to trickle down into the spaces between the beans and potatoes. Ensure the coating is as uniform as possible before placing the lid on to start the slow cooking phase.

Finishing the cooking

  1. Slow cook and serve
    Cover the slow cooker with the lid and cook on low for 4 hours until the potatoes are fork-tender and the green beans are soft but still hold their shape. Once finished, gently stir everything together to combine the garlic butter sauce before serving.
    Look for Potatoes pierce easily with a fork.
    Tip Stirring at the end ensures the butter and seasoning coat every potato and bean thoroughly.

The final stage results in tender, aromatic vegetables. The potatoes will be soft and the beans will have darkened slightly, indicating they are fully cooked.

The garlic butter will have pooled slightly at the bottom, creating a delicious sauce that should be stirred through the vegetables just before serving to ensure everything is well-coated.

Common mistakes

A common mistake is overcrowding the slow cooker with larger potato chunks, which leads to uneven cooking. Always stick to baby potatoes or ensure larger varieties are cut into consistent, small pieces.

Another error is failing to cover the slow cooker properly, which allows essential steam to escape and lengthens the cooking time. Finally, avoid lifting the lid during the first few hours of cooking, as this significantly drops the internal temperature and disrupts the cooking cycle.

How to tell it’s done

The dish is considered done when the baby potatoes are completely fork-tender. Test a few of the largest potato pieces by piercing them with a fork; there should be no resistance.

The green beans should be tender and vibrant in color, having absorbed the flavors of the garlic and butter. If the potatoes still feel firm, continue cooking for an additional thirty minutes before checking again.

Coming up in Part 3: common questions

  • Can baby Yukon Gold potatoes be used instead of red potatoes?
  • Is it necessary to add water to the slow cooker?
  • Can this dish be made in a large slow cooker?

Also in Part 3: variations (Spicy Garlic Butter, Parmesan Herb), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)