Here is my guide to making sourdough starter! If you're interested in some further baking, there are links to some recipes I like below. You can also check out the sources for some extra-sciencey information! 

Sources:

https://science.howstuffworks.com/innovation/edible-innovations/sourdough.htm

https://www.culturesforhealth.com/learn/sourdough/sourdough-introduction/

Recipes mentioned:

https://tasty.co/recipe/sourdough-bread-for-beginners - BuzzFeed Tasty (this is an American site, so make sure to use the grams equivalent in the ingredient list)

https://www.bbc.co.uk/food/recipes/how_to_make_sourdough_08213 -BBC Good Food

https://www.paulhollywood.com/posts-1/Sourdough-Starter - Paul Hollywood’s sourdough starter using apple

https://www.kingarthurbaking.com/recipes/collections/sourdough-discard-recipes - Recipes to use up sourdough discard