1/2 whole red onion, diced
2 tablespoons olive oil
One 14.5-ounce can diced tomatoes with juice
1/3 cup chicken stock or white wine
1/3 cup assorted olives, pitted and roughly chopped
1 whole jar artichoke hearts, halved
2 cloves garlic, minced
Salt and freshly ground black pepper
8 ounces pasta, cooked al dente and drained
2 to 3 tablespoons jarred pesto
1/2 cup fork-chunked feta
3 tablespoons dry-toasted pine nuts