Look out world! In honor of National Mustard Day, celebrated the first Saturday in August, here comes mustard-fIavored ice cream! If you're up for trying it you'd better hurry because it'll only be available for a limited time. French's Mustard teamed up with ice cream maker Coolhaus to create mustard-flavored ice cream. It will only be available in Los Angeles and New York to coincide with National Mustard Day in August.So what next, BBQ-flavored ice cream? Wait...that actually might work!