Microwave Hamburger Bun Kit gFOur Minute Hamburger Bun Mix is the solution for those who cannot consume wheat or gluten, but want to eat freshly baked, soft and spongy hamburger buns that dont crumble in your hands. Youll find four pre-measured pouches (enough mix in each pouch for one hamburger), a measuring cup, and two mold trays to form and coo..