DIY nonstick cooking spray. Healthy and get rid of all the chemicals that are in Pam! Have to make this since I just discovered there is propane in Pam! HOMEMADE COOKING SPRAY Ingredients 1 part olive oil (or your choice of oil) 5 parts water 1 misting spray bottle Instructions Mix in your spray bottle 1 part olive oil to 5 parts water. In my 12 ounce bottle, I poured in 2 ounces of canola oil and added 10 ounces of water. Shake well and you’re done. Store in a cool, dark place.