A Mississippi pot roast is an especially spicy type of pot roast thanks to the inclusion of pepperoncini peppers.u003cbr/u003eu003cbr/u003eTo combat this peat, you will want to serve sides such as mashed potato or cheesy garlic bread. Some sharp, citrus flavors like in a lemon salad is also a great way to complement the heat of a Mississippi pot roast. u003cbr/u003eu003cbr/u003eSo, try serving these sides with your Mississippi pot roast!