Mix water, milk powder, sugar, and active dry yeast, let it bloom
Add in margarine
Stir in the 3 c flour, let rest 1 H
Mix flour and BP and Bsoda
Knead this mixture into rested dough
Dump dough on floured surface, knead for 1-2 mins, divide into 4
Turn 1 portion into cinnamon rolls (margarine, brown sugar, cinnamon powder, raisin)
Turn 1 portion into banana buns (banana, brown sugar, margarine)
Turn 1 portion into choc chip buns
Turn 1 portion as a regular round buns (once baked, brush with margarine, top with tuna floss)
Once shaped and filled, let rest until doubled in size, 45 mins at least
Bake on preheated 375 f convection oven for 10 mins
Cool on rack