Sweet Potato Biscuits with Honey Butter

Name: Sweet Potato Biscuits with Honey Butter
Cook time: 12 min
Total time: 12 min
Cuisine: Southern
Ingredients: 3/4 cup cooked mashed sweet potato (from one large sweet potato); 1/3 - 1/2 cup whole milk, as needed; 1-1/2 cups all-purpose flour, spooned into measuring cup and leveled-off with back edge of knife; 2 tablespoons sugar; 1 tablespoon baking powder; 1 teaspoon salt; 6 tablespoons cold unsalted butter, cut into small chunks; 1 stick (1/2 cup) unsalted butter, softened; 2 tablespoons honey; 1/4 teaspoon cinnamon