INGREDIENTS
4 tbsp
butter, divided
2
carrots, diced small
2
stalks celery plus their leaves, diced
1
onion, diced
1 1/4 cups
flour, divided
4 cups
chicken broth
1 cup
whole milk, divided
1 tsp
salt
1 tsp
baking powder
1 tsp
fresh thyme leaves (or 1/2 teaspoon dried), plus more for garnish
2 cups
cooked diced or shredded chicken
extra salt and pepper