Why won't my bread dough rise? | Kitchen aide

It’s all about ratios, temperatures – and, if possible, fresh yeastI recently started baking my own bread, and all the recipes say to leave the dough to rise, usually for an hour or two, “until doubled in size”. Mine rarely rises anywhere near that – where am I going wrong?Simon, Manchester
Baking is easily the least forgiving of all culinary activities. Get anything even slightly out of whack – be that oven temperature, the ratio of your ingredients or even t