Weigh 15 grams sugar and 120 grams tepid water into TM bowl; add packet of yeast and stir for 5 minutes at 37C speed soft. Rest 5 minutes.
Stir yeast mixture, to combine; 5 seconds at speed 2.
Into same TMbowl over yeast mixture, weigh 45 grams melted butter, 290 grams lukewarm milk, 375 grams flour, 30 grams sugar, 10 grams salt; stir rigorously to combine until smooth for 1 minute at speed 4 (little longer or higher speed, if required)
Weigh remaining 260 grams flour into TM bowl; set knead for 4 minutes until dough completely releases from side of TM bowl.
Grease large bowl with remaining butter; form dough into ball and place in prepared bowl covered with damp cloth and proof in warm place for one hour to ninety minutes, or until double in size.
FOR TOUTONS: Slice off portions of dough taking care to retain as much air as possible, shape each by hand into rustic circles; lay on lightly floured cloth until ready to fry (Rest 10 minutes after shaping before frying)
Punch down remaining dough; rest 10 minutes.
Grease 1 large loaf pan; divide dough into 3 equal portions and form each into a ball. Place 3 dough balls into each loaf pan.
Cover with clean damp tea towel; proof until about 2 inches above rim of loaf pan (approx. 2 hours, depending upon room temperature).
Bake at 350 F for 30-40 minutes, depending on size of pan, until golden hollow when tapped.
Turn loaf onto wire rack to cool; brush tops with melted butter to soften top crust.