Almond Flour: Another way to cut carbs is to get rid of flour-based food. Even substituting to wheat flour has just too many carbs in it to be keto or low-carb-friendly. So, instead of regular flour, we would use almond flour-- this keto-friendly flour substitute is extremely low in carbs and healthy fats. This makes it perfect for our funfetti keto birthday cake recipe . Use blanched almond flour (or superfine almond flour) as it has a finer and lighter texture compared to regular almond flour. This will help in giving our birthday cake a lighter-colored appearance and less dense texture. Coconut Flour: To add more taste and thickness to our keto funfetti cake, we'll be mixing in coconut flour. It's another keto-friendly flour substitute that also makes an excellent thickener. It will add coconut flavor to our birthday cake, which should go well with our coconut "sprinkles."