First version of README

README.md

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+# Grocery List
+This code allows users to input a list of URLS with recipes and outputs a csv file with ingredient type, ingredient name, amount and associated recipe.
+
+More information on the background on this work can be found on my blog post here.
+
+# Prerequisites
+To run this, code, you need to:
+* have installed the latest version of Python
+* have a Windows machine
+* be connected to the internet
+
+# Using Grocery List on your computer
+Download the following files into the same directory
+* grocery.py
+* sr27asc files to identify food groups (USDA National Nutrient Database for Standard Reference, Release 27)
+
+Create a .txt file in the same directory listing a URL with the recipe on each line. For example:
+```
+https://thewoksoflife.com/chinese-walnut-cookies/
+https://www.justonecookbook.com/japanese-potato-salad/
+https://tasty.co/recipe/fluffy-jiggly-japanese-cheesecake
+```
+# Sources
+The ingredient parser in this code uses the open source engine at by [schollz](https://schollz.com/blog/ingredients/).