[header] How to make irish lamb stew [title] Preheat the oven and cut the vegetables. [step] Turn the oven on to 350 degrees f (175 c). Remove the skins from 2 pounds (920 g) of onions (about 6 medium) and wash 1 pound (450 g) of carrots (about 6 medium) and 3 pounds (1.4 kg) of russet potatoes (about 12 small). 
Cut the onions into wedges and the carrots into 3-inch (7.5 cm) lengths. Set these aside while you peel and halve the potatoes.