Fluffy Angel Biscuits

Name: Fluffy Angel Biscuits
Prep time: 20 min
Cook time: 11 min
Total time: 31 min
Cuisine: American, Southern
Ingredients: ¼ cup warm water (125 F); 1 teaspoon granulated sugar; 1 package Rapid Rise Instant yeast (1/4 oz) ((2¼ teaspoons)); 2½ cups all-purpose flour; ¼ cup granulated sugar; 1 teaspoon baking powder; ½ teaspoon baking soda; 1 teaspoon salt; ¼ cup unsalted or salted butter, cold (chopped into small pieces (plus more for brushing finished biscuits); ¼ cup butter-flavored shortening ((cut into small pieces)); 1 cup buttermilk; 1 tablespoon heavy whipping cream