Italian salsa verde is a parsley-based sauce flavored with salty seasonings like anchovies and capers. You can enjoy this easy salsa verde over pasta, meat, or fish. You will need anchovy filets, capers, canned tuna, olive oil, parsley, lemon, pepper and a galic clove. This sauce is like a parsley-based pesto and can be served with meat, fish, or pasta. You can store extra salsa verde in the freezer.