A method for planning preparation of a plurality of dishes according to a plurality of corresponding recipes includes automatically identifying, by a processor, a plurality of candidate sub-recipes, wherein each candidate sub-recipe in the plurality of candidate sub-recipes comprises an intermediate component that is required by at least two of the plurality of corresponding recipes, and automatically selecting, by the processor, at least one candidate sub-recipe in the plurality of candidate sub-recipes for preparation, in accordance with at least one constraint on the preparation of the plurality of dishes.