INGREDIENTS
1 2/3 cups
sifted AP flour
1/4 tsp
baking soda
1/2 tsp
salt
1/2 cup
butter, room temperature
1 1/4 cups
sugar
2 tsp
orange zest, divided
3
large eggs
1/2 tsp
vanilla extract
1 tbsp
orange juice
1/2 cup
sour cream
2 cups
rhubarb slices (1/2" thick)
2 tbsp
brown sugar
1 cup
powdered sugar, sifted