High-Altitude Buttermilk Devil's Food Cake

Ingredients (13)

• + cooking spray add to pantry
• + 2 ¾ cups cake flour (such as Pillsbury® Softasilk®) add to pantry
• + 1 cup unsweetened cocoa powder add to pantry
• + 1 ½ teaspoons baking soda add to pantry
• + ½ teaspoon salt add to pantry
• + 1 ¾ cups white sugar add to pantry
• ✓ 1 cup butter, softened to room temperature
• + 2 teaspoons vanilla extract add to pantry
• + 1 teaspoon almond extract add to pantry
• ✓ 2 ¼ cups buttermilk, divided
• + 2 eggs add to pantry
• + 6 tablespoons milk, or more as needed add to pantry
• ✓ 2 (16 ounce) packages confectioners' sugar