Butter, cheese and milk were the biggest drivers of a rise in food prices for the year to April 2025, new figures from Stats NZ show.

Food prices increased 3.7 percent in the 12 months to April - well ahead of the annual inflation rate at 2.6 percent.

That follows a 3.5 percent increase in the 12 months to March 2025.

NZ Herald business editor at large Liam Dann explains what's going on.

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