Yucca with Garlic Sauce: Yucca con Mojo

Name: Yucca with Garlic Sauce: Yucca con Mojo
Ingredients: 6 pounds whole yucca (fresh or frozen), peeled and cut into 3-inch sections (about 5 pounds trimmed weight or 5 pounds frozen chunks); 1 tablespoon salt; 1/2 cup extra-virgin olive oil; 2 small Spanish onions, sliced into thin rings; 12 cloves garlic, finely minced or mashed to a paste with mortar and pestle; 1/4 teaspoon ground cumin; 1/3 cup bitter orange juice or a mixture of lime juice and orange juice (reduce amount if a less tart taste is desired); Salt and freshly ground black pepper