Beef with cornstarch

1 (16 ounce) can pitted dark sweet cherries in juice 1/4 cup ruby port 1/2 cup beef broth 1 teaspoon drained bottled horseradish 1 teaspoon tomato paste 1[...]

1 lb meatball, shaped and cooked 4 cups sliced fresh mushrooms 3 large garlic cloves , minced 3 tablespoons butter (can use more or less) 2 tablespoons[...]