Buttermilk Biscuits with Sausage Gravy

Name: Buttermilk Biscuits with Sausage Gravy
Ingredients: For the sausage gravy:; 1/2 pound bulk sausage; 2 tablespoons flour; 1/2 teaspoon minced fresh sage; 1/2 teaspoon minced fresh thyme; 1/2 teaspoon chicken bouillon granules or 1/2 cube; 1 to 1 1/2 cups milk; For the buttermilk biscuits:; 2 cups flour; 1/4 teaspoon baking soda; 1 teaspoon baking powder; 1 teaspoon salt; 6 tablespoons butter, chilled and cut into tiny chunks; 3/4 to 1 cups buttermilk