Use 1_ lb. recipe. Combine yeast, 1 cup bread flour, cocoa powder, sugar and salt; mix well. Heat water and oil to 120º to 130ºF; add to flour mixture. Blend at low speed; beat 3 minutes at medium speed. By hand, gradually stir in chocolate chips and enough of the remaining bread flour to make a firm dough. Knead on floured surface 5 to 7 minutes until smooth and elastic. Place dough in lightly oiled bowl; turn to grease top. Cover; let rise until dough tests ripe.