Magic Tomato Plant Food ~~ Yield: will feed about 6 tomato plants Time: 5 minutes Recipe from Jerry Baker 3 C compost/mulch/dirt 1/2 C Epsom salt 1 T baking soda 1/2 C powdered milk 1. Mix all the ingredients together in a bucket. 2. Place a handful of the mixture into the hole you are digging for your tomato plant. If you have already planted you can sprinkle a handful of the mixture around the stem of the plant and then water.