Prepare the Crockpot: Set your crockpot to the low heat setting.

Sauté the Kielbasa: Heat olive oil in a skillet, add sliced kielbasa, and sauté until lightly browned.

Cook the Aromatics: Sauté chopped onion and minced garlic until the onion is translucent, then transfer to the crockpot.

Layer the Vegetables: Place cubed potatoes and trimmed green beans at the bottom of the crockpot, then add the sautéed onion and garlic on top.

Add the Kielbasa: Layer the browned kielbasa evenly over the vegetables.

Pour in the Chicken Broth: Slowly pour chicken broth over the ingredients until submerged.

Season the Dish: Sprinkle with salt, black pepper, and optional red pepper flakes.

Begin Cooking: Cover and cook on low for 6–8 hours or high for 3–4 hours.

Stir and Adjust Seasoning: After cooking, gently stir and adjust the seasoning as necessary.

Garnish and Serve: Sprinkle fresh parsley on top and serve warm.