Ingredients:
- 3 cups (375g) all-purpose flour
- 2 cups (400g) granulated sugar
- 1 tbsp (12g) baking powder
- 1 tsp (6g) fine sea salt
- 1 cup (225g) unsalted butter, softened and cubed
- 4 large eggs, room temperature
- 1 cup (240ml) full-fat buttermilk
- 1 tbsp (15ml) vanilla bean paste
- 2 tbsp (30ml) vegetable oil
- 1 cup (240ml) egg whites
- 2 cups (400g) granulated sugar
- 2 cups (450g) unsalted butter, softened and cubed
- 1 tsp (5g) salt
- 2 tsp (10ml) vanilla extract
- royal blue gel food coloring
- white gel food coloring
- 8 oz (225g) white fondant
- 4 oz (115g) royal blue fondant
- cornstarch
Instructions:
- Preheat oven to 350°F (175°C) and line a 12x18 inch half sheet pan with parchment paper leaving an overhang.
- Mix flour, sugar, baking powder, and salt; incorporate cubed butter until the mixture resembles wet sand.
- Slowly beat in eggs, buttermilk, and vanilla until the batter is smooth and pale.
- Pour batter into the pan and bake for 30-35 minutes until a toothpick inserted in the center comes out clean.
- Cool the cake completely, then use a serrated knife to shave off any imperfections on top.
- Wrap the cake in plastic wrap and chill in the freezer for 30 minutes.
- Prepare Swiss Meringue Buttercream by whipping egg whites and sugar, adding softened butter, salt, and vanilla extract.
- Apply a thin crumb coat of buttercream and chill for 20 minutes, then apply the final layer of frosting using a bench scraper.
- Pipe a heartbeat EKG line across the center using royal blue frosting and a round tip.
- Roll out fondant to 1/8 inch thickness, cut out a stethoscope and nursing cap, and press them onto the cake.
- Pipe 'Congrats, RN!' or customized graduation text in a bold script.