As this is a yeast product it must rise prior to baking.

Standard Method
Preparation from frozen: Remove clear plastic lid, cover buns with a clean damp tea towel, let stand in the warmest area of kitchen for 8 to 10 hours or overnight. Buns will rise until doubled in size.

Remove tea towel and tent with foil and place black container of buns on a cookie sheet on middle rack of oven and bake in a conventional oven at 350°F (175°C) for 30 minutes. Remove from oven and place plate over top of buns and invert quickly.

Quick Rise Method
You can rise the buns in a conventional oven. Preheat oven to 200°F then turn off. Place damp towel over buns and they will rise and should be ready to bake in approximately 2 hours.