In a large pot, bring 6qts of water to a boil

Meanwhile, in skillet over LOW heat caramelize onion, garlic, & anchovies

Put frozen broccoli in boiling water, bring back to a boil & cook 5mins

Remove broccoli with a slotted spoon & keep warm

Put pasta in same boiling water & cook according to pkg directions

Drain pasta, saving 1 cup of the cooking water. Do not rinse pasta

Mix all ingredients together in large pot

Add cooking water as needed