[header] How to cook a roast in a crock pot [title] Wash the carrots. [step] Rinse the carrots under running water, scrubbing them gently with your fingers or a vegetable brush to remove any dirt. [title] Cut the carrots and onion. 
[step] Use a sharp knife to cut the carrots into 1-inch (2.5-cm) pieces and to slice the onions into thin rings. [substeps] To save time, you may use baby carrots or carrots pre-cut into " coins " instead of whole carrots.