HAVANA (AP) — On a recent afternoon, a group of elderly residents slipped through the wooden doors of the Church of the Holy Spirit in Old Havana and gathered for a modest meal of ground meat, rice, red beans and crackers topped with mayonnaise — all finished with a cup of strong Cuban coffee.

“May the Lord bless from his height, the meal our belly will take with delight,” they chanted in unison before beginning their lunch, a ritual that takes place three times a week in the dining hall adjacent to the church.

Among the nearly 50 elderly people was Carmen Casado, an 84-year-old retired chemical engineer who attends without fail. Her monthly pension of 2,000 Cuban pesos is equivalent to $4 at the informal exchange rate that people use on a daily basis.…