Makeover Biscuits & Gravy

Ingredients

• 1-1/3 cups all-purpose flour -
• 2/3 cup whole wheat flour -
• 2 teaspoons baking powder -
• 1/2 teaspoon baking soda -
• 1/4 teaspoon salt -
• 3 tablespoons cold butter -
• 1 cup buttermilk -
• GRAVY: -
• 1 teaspoon olive oil -
• 1/2 pound bulk chicken sausage -
• 1 medium onion, finely chopped -
• 1 garlic clove, minced -
• 1 teaspoon minced fresh thyme -
• 1/8 to 1/4 teaspoon crushed red pepper flakes -
• 1/8 teaspoon pepper -
• 2 cups reduced-sodium chicken broth -
• 2 tablespoons all-purpose flour -
• 1/2 cup 2% milk -