Crema Catalana (Catalan Cream)

Name: Crema Catalana (Catalan Cream)
Prep time: 5 min
Cook time: 10 min
Total time: 15 min
Cuisine: Spanish
Ingredients: 2 cups whole milk; 1 cup heavy cream; 3 large strips orange peel ((avoid as much of the bitter white pith as possible)); 3 large strips lemon peel ((avoid as much of the bitter white pith as possible)); 1 cinnamon stick; 1 whole vanilla bean (, split and the insides scraped into the pot along with the whole bean); OR 1 tablespoon vanilla bean paste; 7 large egg yolks; 3/4 cup granulated sugar ((use 1 cup if you prefer it sweeter, but keep in mind it will have the additional burnt sugar topping)); 3 tablespoons cornstarch; turbinado sugar (, for the burnt sugar topping)