INGREDIENTS
3 tbsp
vegetable oil, divided
1 cup
chopped carrot
1 cup
chopped onion
1 cup
chopped celery
1 cup
frozen peas
1/4 cup
flour
3 cups
milk
1/2 tsp
kosher salt
1/4 tsp
pepper
3 cups
cubed or shredded cooked chicken
2 tsp
chopped fresh tarragon leaves
4 cups
cubed sourdough bread
3 tbsp
melted butter
4 oz
shredded emmenthal cheese