INGREDIENTS
1 1/4 sticks
butter (10 Tbsp or 1/2 cup plus 2 Tbsp), softened
1/4 cup
plus 2 Tbsp brown sugar, firmly packed
4
plums, pitted and sliced
5 tbsp
buttermilk OR 4 Tbsp milk plus 2 teaspoons milk and 1 teaspoon lemon juice
3/4 cup
cake flour
1/2 tsp
baking powder
1/8 tsp
baking soda
1/4 tsp
cinnamon
salt
1/2 cup
granulated sugar
Zest of 1/2 an orange
1
egg
1 tsp
vanilla extract
4
10 or 8 ounce ramekins