Peach Crumb Cake

INGREDIENTS

1 cup

all-purpose flour

1/4 cup

light brown sugar (, packed)

1/4 cup

granulated sugar

1 tsp

ground cinnamon

1/4 tsp

ground ginger

1/4 tsp

ground nutmeg

1/8 tsp

salt

6 tbsp

unsalted butter (, melted)

1 1/2 cups

all-purpose flour

1 tsp

baking powder

1/4 tsp

baking soda

1/2 tsp

salt

1 lb

fresh peaches (, at room temperature, peeled, cored and sliced (about 3 medium sliced into 10 slices each))

3/4 cup

granulated sugar

1/2 cup

unsalted butter (room temperature)

large egg

1 tsp

vanilla extract

1/3 cup

sour cream

1/3 cup

buttermilk

1/2 cup

powdered sugar

1 tbsp

milk

1/4 tsp

vanilla extract