In a medium saucepan combine 1 1/4 cup milk, 3/4 cup heavy cream, 5 Tbsp cornstarch, 1/2 cup lemon juice, 1 tbsp lemon zest and 1/4 teaspoon salt.
In a medium saucepan combine 1 1/4 cup milk, 3/4 cup heavy cream, 5 Tbsp cornstarch, 1/2 cup lemon juice, 1 tbsp lemon zest and 1/4 teaspoon salt.