Rainbow Cake | Redpath Sugar

Ingredients

• 2 cups (250 g) all purpose flour
• 2 cups (224 g) cake flour
• 4 tsp (20 g) baking powder
• ¾ tsp (4 g) salt
• 1¼ cup (284 g) unsalted butter, room temperature
• 1 cup (200 g) Redpath® Granulated Sugar
• 1 cup (217 g) Redpath® Golden Yellow Sugar, packed
• 5 large eggs, room temperature
• ½ tsp (2.5 ml) lemon extract
• ½ tsp (2.5 ml) vanilla extract
• 1 cup (240 ml) buttermilk, room temperature
• Gel food colouring in red, yellow, orange, green, blue and violet
• 1½ cups (341 g) unsalted butter, softened
• 1½ cup (340 g) cream cheese, softened
• 4½ cups (540 g) Redpath® Icing Sugar
• 2 tbsp (30 ml) lemon juice
• ¼ tsp (2 g) salt