Buttermilk Biscuits with Sausage Gravy

INGREDIENTS

1 3/4 cups

Southern all-purpose flour, such as White Lily, or cake flour (not self-rising), plus more for rolling out

1/2 cup

whole wheat pastry flour

1 tbsp

baking powder

1/2 tsp

fine sea salt

1/4 tsp

baking soda

2 tbsp

cold unsalted butter, cut into bits and chilled

3/4

to 1 cup lowfat buttermilk

2 tbsp

canola oil

1 1/4 lb

lean pork, chicken or turkey sausage, casings removed

Coarse kosher salt and freshly ground black pepper

sweet onion, finely chopped

2 cups

2-percent or whole milk