Spaghetti Alla Bagna Cauda

Bagna cauda is a Piedmontese sauce or dip for vegetables made with good olive oil (sometimes butter), anchovies, and garlic. It is served warm (bagna cauda means warm bath). Why not turn these ingredients into a pasta sauce and add a few roasted peppers? A little grilled tuna will make this a full dinner. A small portion with just the peppers is a great first course.