Warm a large skillet over medium heat and grease with butter and oil.
In a wide shallow bowl, whisk together the eggs, milk, sugar, vanilla, cinnamon and orange zest.
Dip halved croissants into the mixture, letting them soak for a few moments. Lift them out of the mixture, letting the excess drip back into the bowl.
Cook in the hot skillet until golden brown, about 3-4 minutes per side.
If desired, keep warm in a 200° oven until ready to serve.
Serve with maple syrup, whipped cream and berries.
Calories: 122kcal, Carbohydrates: 12g, Protein: 5g, Fat: 6g, Saturated Fat: 3g, Cholesterol: 94mg, Sodium: 111mg, Potassium: 87mg, Fiber: 1g, Sugar: 6g, Vitamin A: 274IU, Vitamin C: 1mg, Calcium: 52mg, Iron: 1mg