Heat oil in Dutch oven. Brown pork cubes over medium-high heat. Stir in chicken broth, water, onions and seasonings. Bring to a boil; reduce heat. Simmer uncovered for 20 minutes.
Stir in potatoes and beans; simmer 15 to 20 minutes or until tender.
Combine flour and half-and-half; mix until smooth. Gradually stir into stew. Cook and stir until thickened.