[4][5] She began selling extra cakes to local restaurants, and then apprenticed with pastry chef George Keller at the suggestion of André Soltner of Lutèce.
[2] The family moved from Long Island to Manhattan, and Weinstock baked cakes for private events, first at the Carlyle Hotel gaining clientele.
Weinstock made decorative cakes for a variety of celebrities, including Oprah Winfrey, Kim Kardashian, and Martha Stewart.
[8] She avoided using fondant in her cake decorations, calling it "cheap and easy";[4] instead, she focused on buttercream, sugar flowers, and stenciled patterns.
[2] After retirement, Weinstock began appearing as a guest judge on the Food Network series Chopped Sweets and Top Chef: Just Desserts.