Preparing foods on Shabbat

Preparing food on Shabbat is a general topic that potentially can involve several melachot on Shabbat. If one wants to learn details about a certain melacha, please visit that melacha specifically. The specific related melachot include: Borer (Separating), Tochen(Grinding), Merakaid (Sifting), Lash (Kneading), and Ofeh and Bishul (Baking and Cooking). B"H below will be the halachot of a number of practical cases of preparing food on Shabbat.

Soda on Shabbat

1. Many hold that it is permitted to make soda on Shabbat using a soda making machine that fills the water with carbon dioxide.

Avocado on Shabbat

1. It is permitted to place an avocado that is too hard but possible to eat to the sunlight so that it softens if one's intention is to eat it on Shabbat.