Shirley Corriher's Touch-of-Grace Biscuits

INGREDIENTS

• 2 cups (9 ounces/255 g) spooned and leveled self-rising flour (preferably low-protein Southern U.S. flour like White Lily)
• 3 tablespoons unsalted butter, melted, for brushing
• 1 cup plain all-purpose flour, for shaping
• 1 cup buttermilk, or enough for dough to resemble cottage cheese (if you are not using low-protein flour, it will take more than 1 cup)
• 1/4 cup sugar (or less, if you prefer your biscuits less sweet)
• 1/2 teaspoon salt
• 2/3 cups heavy cream
• Butter for greasing, or nonstick cooking spray
• 1/4 cup shortening