Sandwich
1 Tbsp butter
1 large sweet onion, thinly sliced
1 Tbsp brown sugar
1 tsp balsamic vinegar
1 Tbsp horseradish
2 whole-wheat Kaiser rolls, sliced in half
1 1/2 cups sliced cooked turkey (white and dark meat mixed, without skin)
1 cup baby spinach

Mushroom Au Jus
2 1/2 cups low-sodium vegetable broth
1/2 cup dry white wine, such as sauvignon blanc
2 cups sliced crimini mushrooms
3 cloves garlic, crushed
2 Tbsp fresh thyme (or 1 tsp dried)