U.S. President Donald Trump met with McDonald’s owners, operators and suppliers on Monday, addressing rising public frustration over inflation and insisting his administration is making progress—though he acknowledged more work is needed. Speaking at the fast-food giant’s “Impact Summit” in Washington, Trump said his tax cuts and push to revive domestic manufacturing would ultimately boost real incomes, even if the effects take time.

Republican presidential nominee Donald Trump donned an apron and manned the fry station at a McDonald’s in Pennsylvania on Sunday, showcasing his affinity for fast food before holding an impromptu news conference through the drive-thru window.