Preheat oven to 425 degrees.
Combine flour, baking soda, and salt in a food processor. Pulse to combine.
Cut up cold butter into tablespoon sized pieces. Add to flour mixture and pulse until mixture is in tiny crumbles.
Add apple cider vinegar, egg, yogurt, and buttermilk to flour mixture and pulse just until dough comes to together slightly.
Dump dough onto floured surface. Knead with hands until firm dough forms. Add a little more buttermilk if dough is too dry.
Roll dough out into 1 inch thickness with a rolling pin. Cut out with a biscuit cutter or glass.
Place biscuits on a baking sheet and bake in oven 8-10 minutes or until golden brown.
Remove from oven and cool while you make gravy.
Brown sausage in a large skillet. Set aside.
To skillet, melt butter over medium heat and stir in flour for 1-2 minutes.
Add milk, cream, and spices to butter and flour mixture, slowly.
Stir with a whisk over medium heat until sauce thickens to desired consistency. Add more milk if sauce is too thick.
Add sausage back to gravy mixture and reheat till bubbly.
Pour gravy over biscuits and serve immediately. Enjoy!