Cook on low for 6–8 hours or high for 3–4 hours, until the potatoes are tender. Add the cheddar during the final 15 minutes so it melts over the potatoes and kielbasa. Garnish with chopped green onions if desired.
Keyword beef kielbasa, cheesy potatoes and kielbasa, Crockpot cheesy potatoes, crockpot potatoes, slow cooker kielbasa