Create funfetti cake pancakes that are super easy thanks to being baked in a sheet pan. These birthday cake sheet pan pancakes are the perfect way to celebrate any birthday or special occasion.
Preheat oven to 350 degrees. Line a rimmed sheet pan with nonstick foil. Set aside.
In a large mixing bowl, whisk together cake mix, flour, baking powder, and salt.
In a separate mixing bowl, mix together oil, eggs, and milk. Mix until well combined.
Add wet ingredients to bowl of dry ingredients. Mix until just combined. Pour into prepared sheet pan.
Bake in preheated oven for 20-25 minutes or until set and lightly browned on top.
In a mixing bowl, combine powdered sugar and 2 Tbsp of milk. Mix well. Add additional milk if needed to reach icing consistency. Pour on top of cooked pancakes and top with additional sprinkles.