Crockpot Guinness Stew w/ Irish Soda Bread. 22 ounce of Guinness, 2 cups frozen peas, 2 cups chopped carrots, 1 pound of potatoes, thyme, rosemary,1 large onion and 2 large garlic gloves. I substituted pork for lamb.(1lb cubed). Cook on high for 5 hrs. Add potatoes after the 3rd hour.