INGREDIENTS
1
Bay leaf
1 tsp
Thyme, fresh
1
Yellow onion, large thin
4 cups
Vegetable broth, low-sodium
1 tsp
Balsamic vinegar
1 tbsp
Tamari or soy sauce
1/4 cup
All-purpose flour
1/8 tsp
Black pepper plus more, freshly ground
1/2 tsp
Salt plus more
1 tsp
Sugar
2 tbsp
Olive oil
3 tbsp
Butter