Place oil and garlic in a pan and cook until golden. Then add the tomatoes and oregano and cook over medium heat for about 10 minutes. Take off the heat and add the anchovies, then set aside.
PREP THE SAUCE
In the same pan, add the fish and cook with salt and pepper. Grate the zest of the lemon over the fish while cooking.
COOK THE PASTA
Cook the Casarecce in a large pot of salted boiling water. Once the pasta is cooked according to the instructions on the box, drain and reserve some pasta water.
COMBINE AND SERVE
Add the pasta to the pan with the tomatoes and fish, combining with cooking water if necessary. Serve immediately.
