Ingredients
6 tablespoons butter cubed
4 sweet onions thinly sliced
2 cloves garlic minced or grated
2 tablespoons brown sugar
3 tablespoons all-purpose flour
1 1/2 cups red wine
2 quarts beef broth
1 tablespoon Worcestershire sauce
2 leaves bay
3-4 fresh thyme sprigs plus more for serving
pinch of pepper
16 ounces potato gnocchi
1 1/2 cups shredded gruyere cheese