Instant yeast doesn't necessarily need to be activated with warm water first, but many bakers do it anyway to ensure that the small pieces are spread evenly throughout the dough. Fast-acting yeast ...

In a measuring jug, mix the sugar with 150ml/5fl oz of the warm water and yeast and let stand in a warm place for five minutes, or until frothy. If using fast-acting yeast, there is no need to let ...