Classic Vanilla Butter Cake with Buttermilk Sauce


This Vanilla Butter Cake is a timeless Southern staple—light yet rich, with a delicate crumb that melts in your mouth. Paired with a warm, tangy-sweet buttermilk sauce, it becomes an irresistible dessert that tastes like childhood memories and Sunday suppers.
With just 7 simple ingredients, it’s easy enough for weeknights but elegant enough for company. No mixer required—just one bowl and a little love.

Why You’ll Love This Recipe

  • 🍰 Only 7 ingredients—pantry staples!
  • ⏱️ 15 minutes prep, 30–35 minutes bake
  • 💛 One bowl + one saucepan = easy cleanup
  • 💸 Costs under $6—feeds 8 generously
  • 🌾 Naturally nut-free & easily gluten-free (use GF flour)

Ingredients You’ll Need

(9-inch round or square pan; serves 8)

For the Cake

  • 1½ cups all-purpose flour
  • 1 cup granulated sugar
  • 1½ tsp baking powder
  • ½ tsp salt
  • ½ cup (1 stick) unsalted butter, melted and cooled
  • ½ cup whole milk
  • 2 large eggs
  • 2 tsp pure vanilla extract

For the Buttermilk Sauce

  • ½ cup (1 stick) unsalted butter
  • 1 cup granulated sugar
  • ½ cup buttermilk
  • 1 tsp vanilla extract
  • Pinch of salt
💡 Pro Tips:
  • Use room-temperature eggs and milk—ensures even mixing.
  • Don’t overmix batter—stir just until flour disappears.
  • Pour warm sauce over warm cake—it soaks in perfectly.

Step-by-Step Instructions (Tender, Buttery, Foolproof)

1. Prep & Preheat

  • Preheat oven to 350°F (175°C). Grease and flour a 9-inch round or square pan.

2. Make the Cake Batter