1️⃣ Prepare the cinnamon rolls and custard: Slice cinnamon rolls into thick rounds. In a bowl, whisk eggs, milk, vanilla extract, and cinnamon until smooth.
2️⃣ Soak the rolls: Place cinnamon rolls in a shallow dish and pour custard over them. Let soak for 1–2 minutes per side.
3️⃣ Cook the French toast: Heat butter or oil in a skillet over medium heat. Cook soaked rolls for 2–3 minutes per side, until golden brown.
4️⃣ Prepare the toppings: While cooking, warm syrup, whip cream, or chop fresh fruit for garnishing.
5️⃣ Assemble and serve: Arrange rolls on a plate. Dust with powdered sugar, drizzle syrup, and top with whipped cream or fruit. Serve immediately.