For about 75 cents, you can fill a mason jar with broccoli seeds.  That jar will contain more anticancer sulforaphanes than you would get in pounds of broccoli.

I recommend get about 2 one-quart wide-mouth mason jars.  Such as these

The sprouting lids are here

With 2 jars and lids, you can have 1 jar growing while you have the other in the fridge that you are eating.

Here is the broccoli seeds I buy (cheapest per pound but it's 5 pounds)

Some videos on how to sprout

Advanced video on boosting sulforaphane content!