Mama’s Gluten Free Basic Hamburger Buns with 4 Variations! ~Dairy Free & Egg Free Option Summer means BBQ and BBQ means Burgers and Burgers mean we need good tasting Gluten Free Buns. Mama made Onion Buns from Mama’s Basic Hamburger Bun Recipe. Mama’s Basic Hamburger Bun recipe can be made as just a Basic Bun