If you are on Windows:

1. Download Windows wallet and launch it.
2. Close Windows wallet and navigate to "%appdata%\peso"
3. Create "Peso.conf"
4. Add the following text to the "Peso.conf" file:

rpcuser=user
rpcpassword=password
rpcport=3333
server=1
listen=1
daemon=1

5. Launch Windows wallet again.
6. Wait for blocks to finish downloading.
7. Create batch script for your favorite miner. Example for ccminer below:

ccminer -a x11 -o http://127.0.0.1:3333 -u user -p password

8. Run batch script to start mining.

Edit: spelling is hard.