Ingredients: 1/2 cup beef broth 1 tablespoon Dijon mustard 1 tablespoon tomato paste 1/2 teaspoon kosher salt 1/2 teaspoon freshly ground black pepper 3 tablespoons olive oil 1 small onion, diced 2 garlic cloves, minced 1 1/2 pounds button or cremini mushrooms, quartered 2/3 cup dry red wine 1 tablespoon chopped fresh thyme or 1…