Sunday Brunch: Biscuits and Chocolate Gravy

Ingredients

• 2 cups all-purpose flour
• 1 tbsp. baking powder
• 1 tbsp. sugar
• 1 tsp. salt
• 6 tbsp. butter, frozen
• ¾ cups whole milk, cold
• ¼ cups cocoa powder
• 3 tbsp. flour
• ¾ cups sugar
• ¼ tsp. salt
• 2 cups milk
• 1 tbsp. butter, softened
• 2 tsp. vanilla