Combine all ingredients in mixer bowl and knead for 8-10 minutes
Let rise in oiled container for a couple hours until doubled in size
Punch down and shape into rectangle 15"x6", the dimensions of the bun pan
Grease bun pan, place dough in pan, and cover with plastic wrap. Rest 15 minutes
After resting, stretch dough to fill the bottom of the pan and recover. Let proof in the pan until dough nearly reaches the top of the pan
While the dough is proofing, preheat oven to 375
Grease bottom of cookie sheet, cover the bun pan with it, and place in oven, weighing down the cookie sheet to keep the dough from escaping the bun pan
Bake 18 minute then remove the cookie sheet and weight. Bake a few more minutes
Cool pan on rack for 5 minutes, then invert onto rack to remove buns. Cool completely