You can use Green peppers as well with this recipe we have used them almost every time. Just dice them up and place them in the meatloaf mixture with all the other ingredients. To make this Weight Watchers friendly swap out the sour cream with 0% Greek yogurt, Make sure your broth is low sodium, use sugar free ketchup, use skim milk instead of 2%, use whipped butter instead of stick, either use ground turkey or 93% and above ground beef.