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Welcome to One Sweet Day

One Sweet Day is a Porirua-based online bakery delivering handcrafted cookies, brownies and custom treats across Wellington and all of New Zealand. What started as a small home bakery has grown into a nationwide favourite, known for our chunky cookies, loaded brownies, custom cookie designs, and celebration-ready treats made with love.

Our Mission

To create delicious, beautiful and memorable treats that make life’s sweetest moments truly unforgettable.

What We Do

At One Sweet Day, we specialise in:

  • Chunky cookies

  • Loaded brownies & blondies

  • Custom cookies & personalised brownie slabs

  • Wedding & event catering

  • Corporate gifting & branded cookies

  • Wholesale supply across NZ

Every item is baked fresh to order using high-quality ingredients and crafted with creativity and care.

Why NZ Loves Us

Customers choose One Sweet Day because we deliver not just treats, but experiences — beautifully presented, flavour-packed and delivered nationwide.