fermentation starter

I crush the starter.

私は麹を砕きます

I crush the starter with a mortar.

私は臼で麹を砕きます

I crush the starter finely with a mortar.

私は臼で麹を細かく砕きます

I crush the starter finely with a mortar in the yard.

私は庭で臼で麹を細かく砕きます

I crush the starter finely with a mortar in the yard at the weekend.

私は週末に庭で臼で麹を細かく砕きます