Pork Tenderloin With Orange Sauce with seasoning

1 cup guava jelly (available at Latin and Caribbean markets & large supermarkets) or 1 cup apricot jam 1/4 cup Dijon mustard 1/4 cup orange juice (preferably[...]

1/2 cup softened butter 2 tablespoons frozen orange juice concentrate 1 tablespoon orange zest 1 1/2 tablespoons fresh rosemary , finely chopped (or 2 tsps[...]

1 tablespoon olive oil 2 (14 ounce) pork tenderloin, fillets 1 1/4 cups chicken broth 1 orange, juice and zest of , finely grated 2 tablespoons dry sherry or[...]