Cinnamon Roll French Toast Bites (Easy, Gooey Breakfast Treat)

• 2 cans refrigerated cinnamon rolls (icing reserved)

• 3 large eggs

• ¾ cup milk

• 1 teaspoon vanilla extract

• 1 teaspoon ground cinnamon

• 2 tablespoons granulated sugar

• 2 tablespoons butter, for cooking

Optional Toppings

• Powdered sugar

• Maple syrup

• Fresh berries