Spanish Beef and Rice Casserole

Ingredients 1 lb. lean ground beef 1 14.5 oz. can unsalted diced tomatoes, undrained 1 1/2 cups water 1 cup sliced scallions, green part only (about 1 bunch) 3/4 cup long grain white rice 1/4 cup diced green bell pepper 1 tablespoon vinegar Click here for more ingredients and directions