Slow-Cooker Garlic Butter Potatoes and Green Beans Tips, FAQ & printable recipe

Tips for success

For the best flavor, use a high-quality garlic herb butter — the kind with visible herbs and a strong garlic presence. If using plain butter, add 2 minced garlic cloves and 1 teaspoon dried Italian herbs to the butter before dotting it over the vegetables.

Letting the butter soften to room temperature makes it easier to distribute evenly. If you prefer a more intense lemon flavor, add a squeeze of lemon juice just before serving, but avoid adding it during cooking as it can turn bitter.

To ensure even cooking, cut the potatoes into uniform halves — if some are much larger, quarter them so they cook at the same rate. Green beans should be dry after washing; excess water can create steam and make the beans soggy.

For a slightly caramelized edge, you can broil the finished vegetables for 2–3 minutes after transferring to a baking sheet, but this is optional and not part of the original recipe. The slow cooker keeps everything warm for serving, so this dish is great for buffets.

Variations

• Add Bacon: Cook 4 slices of bacon until crisp, crumble, and sprinkle over the finished vegetables along with the parmesan. The smoky saltiness complements the garlic butter and lemon zest beautifully.
• Use Asparagus: Replace the green beans with 1 pound of asparagus, trimmed and cut into 2-inch pieces. Asparagus cooks faster, so add it during the last 30 minutes of cooking to keep it crisp-tender.
• Herb Switch: Swap the garlic herb butter for a rosemary-thyme butter: mix 1 stick softened butter with 1 tablespoon chopped fresh rosemary and 1 teaspoon fresh thyme leaves. Omit the lemon zest for a more earthy flavor.
• Add Mushrooms: Add 8 ounces of halved cremini mushrooms to the slow cooker with the potatoes. The mushrooms will absorb the garlic butter and add an earthy depth. No need to adjust the cooking time.

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to 4 days. Reheat gently in the microwave or on the stovetop until warmed through.

Freezer

Freeze in a freezer-safe container for up to 2 months. Thaw overnight in the refrigerator before reheating.

Reheat

Reheat in a microwave-safe dish for 2–3 minutes, stirring halfway, or in a skillet over medium heat for 5–7 minutes until hot.

Store leftover potatoes and green beans in an airtight container in the refrigerator for up to 4 days. The butter will solidify when chilled; reheat gently to bring back the glossy sauce. Let the dish cool for no more than 2 hours before refrigerating. The vegetables can be reheated in the microwave or in a skillet over medium heat until warmed through.

The vegetables can be prepped up to a day ahead: halve the potatoes, trim the green beans, and store them separately in the refrigerator. Soften the butter and mix in the lemon zest, then refrigerate until ready.

When ready to cook, layer the ingredients in the slow cooker and proceed with the recipe. The assembled slow cooker can also sit in the refrigerator overnight before cooking, but add 30 minutes to the cooking time if starting from cold.

Serving ideas

Serve this two-in-one side dish alongside roasted chicken, grilled steak, or pork chops. The buttery potatoes and green beans are hearty enough to stand on their own as a vegetarian main course, especially with a sprinkle of extra parmesan and a side of crusty bread to soak up the garlic butter. The lemon zest adds a bright note that pairs well with simply seasoned proteins.

For a holiday table, transfer the vegetables to a warmed platter and garnish with fresh parsley or additional lemon zest. The dish holds well on a buffet — keep the slow cooker on the warm setting for up to 2 hours.

If serving at a casual dinner, you can bring the slow cooker directly to the table and let guests serve themselves with tongs. The leftovers are just as delicious cold in a salad or reheated the next day.

Frequently asked questions

Recipe card

Slow-Cooker Garlic Butter Potatoes and Green Beans

Prep 10 minCook 4 hTotal 4 h 10 minServes 8

Ingredients

• 2 lb baby red potatoes, halved
• 1 lb green beans, trimmed
• 1 stick garlic herb butter, softened
• 1 tbsp lemon zest
• Shaved parmesan, for serving

Instructions

1. Place the halved baby red potatoes in an even layer in the bottom of a 6-quart slow cooker. Scatter the trimmed green beans over the top. Dot the garlic herb butter evenly over the vegetables, then sprinkle with the lemon zest.
2. Cover the slow cooker and cook on LOW for 4 hours, until the potatoes are fork-tender and the green beans are crisp-tender. Avoid lifting the lid during cooking to keep the heat steady.
3. Use tongs to transfer the potatoes and green beans to a serving platter. Spoon any remaining garlic butter from the slow cooker over the top. Finish with shaved parmesan and serve warm.

Contains: milk

Estimated nutrition per serving

Calories

220

Protein

4 g

Carbohydrates

28 g

Fat

11 g

Automatic estimate from the ingredient list, not laboratory-verified.