Just the facts:

Phosphorus Definition & Meaning - Merriam-Webster

Phosphorus is an essential element found in many foods, including the following: 

Dairy: yogurt, milk, and cheese, ice cream, pudding, custard,      Whole grains: wheat, oats, and rice,   

Nuts and seeds: cashews, almonds, pistachios, peanut butter,      Meat: pork,      Eggs: in the yolk,                                 

Legumes: lentils, kidney beans, peas, baked beans, black beans, chickpeas, garbanzo beans, lima beans, northern beans,                soybeans, pork and beans, split peas,   

Willie Pete is really neat,

Just drop it on the tangos.

It won't take long till they're all gone,

Leaving nothing but ashes and bone.

Remember kids: it's not a war crime the first time.