Weekend Bake #2 - Tangzhong 50% Freshly Milled Whole Wheat

Only managed 6 buns as i had to hand crank 100g whole wheat berries.
100g Bread Flour
100g Fresh ground whole wheat
1/2 tsp yeast
2 tbsp brown sugar
3/4 tbsp butter
1/3 tsp salt
1/2 cup water
Tangzhong (10g bread flour, 50g water)
180c convection oven for 18 minutes