Cake

1. 75 mL (1/3 cup) sugar
2. 60 mL (1/4 cup) butter (room temperature)
3. 1 egg
4. 5 mL (1 tsp.) vanilla extract
5. 500 mL (2 cups) pastry flour
6. 15 mL (1 tbsp.) baking powder
7. 10 mL (2 tsp.) finely chopped ginger
8. 15 mL (1 tbsp.) grated lemon zest
9. 250 mL (1 cup) each green Thompson and red Crimson grapes
10. 125 mL (1/2 cup) milk

Lemon icing

1. 125 g (1/2 pkg.) light cream cheese (room temperature)
2. 375 mL (1½ cup) icing sugar
3. 15 mL (1 tbsp.) milk
4. 15 mL (1 tbsp.) grated lemon zest