Black sesame bread

One day, at work:

Me: Hey, thanks for the meal last week, here is something for you.

Some dude: Wow...bread! Wait, what is that black thing? Machine oil?

Me: ..........dude! It's black sesame ;p

Black sesame bread

Bread flour // 300g
Active dry yeast // 5g
Milk powder // 15g
Sugar // 27g
Salt // 3/4 tsp
Water + 1 egg yolk // 210g
Butter // 24g

Same instruction as the chocolate banana bread.
Recipe :: For the black sesame sheet, use ground black sesame instead of cocoa powder.