Top 100 Five-Ingredient Dinners

I've made this twice, always lovely as a tomato soup. My slow cooker is a Rival, the oval-shaped one w/ the black crock. It cooks hot, even on low. At about 5 1/2 yhours, I had some stuck-on spots when I stirred it. During cooking, I added 2+ cups of water over that 5 hours. I used one 28 oz. crushed tomatoes and one 15 oz. petite-cut tomatoes, 6 oz. tomato paste instead of 4 oz.. All the rest, other than the add'l water, was as written. I used the Better Than Broth vegetable broth paste---about 4 heaping TBSP. My husband isn't keen on vegetarian recipes but he likes this soup, says it gets better every night.

How much hot milk for the frosting? There is an error in the ingredients list