Examples:

• You don't think I can cut the mustard, do you?
• Sadly, the airport ground staff just won't cut the mustard.
• Sadly, the airport ground staff just won't cut the mustard.
• She wrote, "Boss Finley can't cut the mustard."
• Looks like Doc can't cut the mustard.
• I don't think this puppy is going to cut the mustard.
• Lead-ins are for guys who can't cut the mustard.
• I just don't cut the mustard.
• The idea that small states count for nothing while large ones can cut the mustard has been shown up for the nonsense it is.
• Of course, it helps if you have worthwhile content, but even great content alone doesn't cut the mustard if your presentation is sub par.