We specialize in custom cupcakes made the old fashioned way. Baked to order using only the finest ingredients. No Substitutes. No Shortcuts.
Sibby Ross Thomsen founded Sibby's Cupcakery in 2004 with the mission of providing joy and happiness to her customers and community.
Sibby's Cupcakery specializes in classic, hand-piped designs- from whimsical and fun to simple and sophisticated. We're always happy to incorporate a unique theme, color combination, or design into our decorations. We also have a festive assortment of decorations for special occasions such as bridal and baby showers, graduations, holidays, and weddings.
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Recommended by 97% of couples
Brenton · Married on 07/24/2016
Sibby's was awesome to work with through multiple rounds of figuring out flavors, decorations, quantity, and delivery options. And the cupcakes tasted amazing!Sent on 08/19/2016
Sibby's Cupcakery's reply:
Kelsey · Married on 09/28/2013
We opted for mini cupcakes as our wedding dessert instead of traditional wedding cake, and after sampling from a few shops around the Peninsula and South Bay, the no brainer decision was Sibby's. Mitzi was amazing, sweet, and helpful, and responded to emails so promptly!Sent on 11/03/2013
We also interacted with a few other members of the Sibby's staff - everyone was helpful and ready to give answers and advice about how many cupcakes to order for our guests (no inflated estimates just because we were ordering for a wedding) whether to buy or rent stands, and what decorations to go with. We did 13 dozen minis for our 100-guest wedding, plus a jumbo cupcake with special decoration for us to cut. Each flavor was fantastic, and everyone raved about how delicious the cupcakes were and how much fun it was to try the different kinds! Even after sitting out on the tables for an hour and a half (the cupcakes doubled as our table centerpieces) they were moist, and the frosting hadn't developed any crust.
What really kicked the experience up to five stars was the way they handled our last-minute special request without batting an eye. A week before our wedding, we realized we would need an extra dozen gluten-free mini cupcakes. I called Mitzi in a panic, and she said "no problem!" They added them to our order (amazingly, the gluten-free cupcakes are the same price as the regular ones) and packaged them in a special separate box to avoid cross-contamination. And according to our GF guests, they were delicious! We'll be going to San Mateo for any cupcake needs from now on.
Kristina · Married on 10/20/2012
First, the cupcakes speak for themselves! They are amazing! And they are never dry or bland like traditional wedding cakes are. Second, Sibby's was great to work with. My now husband was in the military, so they gave us two tastings, one with my parents so we could make a decisions and move forward with planning and another with my husband when he got back from deployment, so he could be a part of it. Also, the timing of my wedding was odd and Sibby's was completely flexible. They delivered the cupcakes later than normal since they needed to be set up during after our cocktail hour and during our dinner. When I asked about this, they never hesitated and were happy to help me out. I love their cupcakes and them so much that we order from there all the time for all different occasions.Sent on 01/03/2014