Classic Vanilla Layer Cake with Caramel Icing

This classic 1-2-3-4 vanilla layer cake bakes up tender and buttery with a fine, even crumb. A cooked brown sugar caramel icing is beaten until glossy and spreadable, then poured over the layers for an old-fashioned finish.
Prep: 35 min · Cook: 35 min · Total: 70 min · Serves: 8
Ingredients
- 1 tsp vanilla extract (for icing)
- 3 cups all-purpose flour (spooned and leveled)
- 2 tsp vanilla extract (for cake)
- 0.5 cup unsalted butter (for icing)
- 1.5 cups light brown sugar (packed)
- 4 large eggs (room temperature)
- 1 cup whole milk (room temperature, for cake)
- 0.5 tsp fine salt (for cake)
- 1 tbsp baking powder
- 0.5 cup whole milk (for icing)
- 2 cups granulated sugar
- 0.125 tsp fine salt (for icing)
- 1 cup unsalted butter (softened, for cake)
- 2 cups powdered sugar (sifted)
Instructions
- Position a rack in the center of the oven and heat the oven to 350°F (175°C) for at least 15 minutes so the temperature is steady before baking.
- Grease two 9-inch round cake pans with butter or baking spray, line the bottoms with parchment paper rounds, and lightly flour the sides; the pans should be evenly coated with no bare spots.
- Whisk 3 cups all-purpose flour, 1 tbsp baking powder, and 0.5 tsp fine salt in a medium bowl for 30 seconds until the leavening is evenly distributed.
- Place 1 cup softened unsalted butter and 2 cups granulated sugar in the bowl of a stand mixer fitted with the paddle attachment, then beat on medium speed for 4-5 minutes until the mixture is pale, fluffy, and visibly increased in volume.
- Add 4 large eggs one at a time to the mixer bowl on medium-low speed, beating for about 30 seconds after each addition and scraping the bowl with a rubber spatula as needed until the batter looks smooth and emulsified.
- Stir 1 cup room-temperature whole milk and 2 tsp vanilla extract together in a liquid measuring cup, then add the flour mixture to the butter mixture in three additions alternating with the milk mixture in two additions on low speed; mix each addition just until no dry streaks remain, about 15-20 seconds each.
- Divide the batter evenly between the prepared 9-inch pans and smooth the tops with an offset spatula, then tap each pan gently on the counter 2-3 times to release large air bubbles.
- Bake the cake layers on the center rack at 350°F (175°C) for 28-32 minutes, rotating the pans after 20 minutes, until the tops spring back lightly, the edges pull slightly from the pans, and a toothpick inserted in the center comes out clean or the center registers 200-205°F (93-96°C).
- Cool the cake layers in the pans on a wire rack for 10 minutes, then run a thin knife around the edges, invert the layers onto the rack, remove the parchment, and let them cool completely for 45-60 minutes before icing.
- For the icing, combine 0.5 cup unsalted butter, 1.5 cups packed light brown sugar, and 0.5 cup whole milk in a 3-quart heavy saucepan over medium heat, stirring with a heatproof spatula for 4-5 minutes until the butter melts and the sugar dissolves.
- Increase the heat to medium-high and bring the caramel mixture to a full bubbling boil, then cook for 2 minutes while stirring constantly; the mixture should look glossy, slightly thickened, and smell caramelized but not scorched.
- Remove the saucepan from the heat and carefully pour the hot caramel mixture into a clean mixing bowl, then let it cool for 8-10 minutes until warm but no longer steaming.
- Add 2 cups sifted powdered sugar, 1 tsp vanilla extract, and 0.125 tsp fine salt to the warm caramel mixture, then beat with a hand mixer on medium speed for 2-3 minutes until the icing is smooth, thick, and spreadable; if it becomes too stiff, beat in warm milk 1 tsp at a time.
- Place one cooled cake layer on a serving plate and spread about one-third of the warm caramel icing over the top with an offset spatula, letting it reach the edge in an even layer.
- Set the second cake layer on top and spread the remaining caramel icing over the top and sides while it is still warm and fluid, working for 3-4 minutes before it sets to a soft fudge-like finish.
- Let the finished cake stand at room temperature for at least 20 minutes so the icing firms, then slice with a sharp knife wiped clean between cuts for neat servings.
Nutrition (per serving)
- Calories: 865
- Protein: 9 g
- Fat: 36 g
- Carbohydrates: 130 g
- Fiber: 1 g
- Sugar: 95 g
- Sodium: 355 mg
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