Microwave Caramel Sauce

Bahan-bahan (1 porsi)

• 1 cup granulated sugar
• 2 Tbsp . light corn syrup
• 2 Tbsp . water
• 1/4 tsp . lemon juice
• 1/2 cup heavy cream, heated (*see note below*)
• 1/2 tsp . vanilla extract
• 1 Tbsp . butter, softened