Okay so hear me out — birthday cake for breakfast, but make it actually good for you. These birthday cake overnight oats have been on rotation in our house lately and i am genuinely obsessed. We’re talking protein, healthy fats from chia seeds and flax, and the secret ingredient that makes them so much more than just a pretty breakfast.
I’ve been adding a scoop of Pendulum Gut Fuel fiber to these and it has been a total game changer. Most of us aren’t getting anywhere close to our daily fiber intake (guilty), and this makes it so easy because it’s completely tasteless — you literally cannot tell it’s in there. It just blends right in while doing all the heavy lifting behind the scenes. Birthday cake flavor, good-for-you ingredients, and fiber you actually want to eat. yes, really. Enjoy!

Why You’ll Love This Recipe:
- Birthday cake for breakfast that is actually nourishing is genuinely one of the best discoveries in the overnight oats series and this one delivers that specific funfetti vanilla almond flavor in every single bite
- Five minutes the night before and you wake up to breakfast completely done which is the kind of morning win that makes the whole day feel more manageable
- The Pendulum Gut Fuel fiber is completely tasteless and blends right in which means you are getting your daily fiber in something that tastes like dessert and would never know the difference
- Stir the sprinkles in right before eating rather than the night before so they stay colorful and bright rather than bleeding color into the oats overnight
Key Ingredients:
- Rolled oats: Half a cup is the hearty base that absorbs the almond milk overnight into that creamy pudding-like consistency. Old fashioned rolled oats are essential here because quick oats become too mushy by morning and the texture is one of the best things about this recipe
- Vanilla or birthday cake protein powder: Half a scoop adds a significant protein boost and that vanilla sweetness that is one of the main flavor notes making these taste like birthday cake. Birthday cake flavored protein powder leans even further into the funfetti experience if you can find one you love
- Almond extract: Half a teaspoon alongside the vanilla extract is the secret that makes these taste so specifically like birthday cake rather than just a vanilla oat jar. Almond extract is the exact flavor that funfetti cake mix uses and a small amount does an enormous amount of flavor work in a very subtle way
- Chia seeds and ground flax seed: One tablespoon each adds omega-3s, fiber, and a thickening quality that gives the oats that perfectly creamy pudding-like consistency by morning. They also make this genuinely filling in a way that oats alone cannot match
- Pendulum Gut Fuel fiber: One scoop blends completely invisibly into the oat mixture overnight adding zero flavor and a full serving of fiber that most of us are not getting anywhere close to in a typical day. Use code NICOLE20 for twenty percent off
- Rainbow sprinkles: Two tablespoons stirred in right before eating rather than the night before so they stay colorful and add that satisfying little crunch that makes every bite feel genuinely celebratory
Tips for Success:
- Add the sprinkles right before eating and never the night before. Sprinkles will bleed their color into the oats overnight turning the whole jar a murky grayish purple rather than staying bright and colorful. Thirty seconds of stirring before you eat is all it takes
- Shake the sealed jar vigorously rather than stirring so everything combines completely evenly in about ten seconds without needing to get a spoon involved until the morning
- If the oats have thickened more than you like by morning add a splash of almond milk and stir before eating to bring them back to your preferred creamy consistency
- These keep in the fridge for up to four days which makes this a great recipe to make multiple jars of on Sunday for the whole week
Storage:
Store birthday cake overnight oats in a sealed mason jar in the refrigerator for up to four days. The oats will continue to thicken as they sit so add a splash of almond milk and stir before eating on days two through four to bring them back to that perfect creamy consistency. Add the sprinkles fresh each day right before eating rather than storing them mixed in so they stay colorful and crunchy rather than bleeding color and going soft over time.
FAQ:
Can I leave out the Pendulum Gut Fuel fiber?
Yes. The recipe works perfectly without it and the birthday cake flavor comes entirely from the protein powder, vanilla, almond extract, and sprinkles rather than the fiber supplement. The fiber is a completely tasteless addition that makes the nutritional profile of these oats significantly more impressive without affecting the flavor at all. If you want to add fiber without the specific supplement a tablespoon of psyllium husk is a neutral alternative.
Can I use a different protein powder?
Yes. Any vanilla protein powder you enjoy in smoothies will work here. Birthday cake flavored protein powder leans even further into the funfetti flavor if you can find one you like but vanilla is the most widely available and works beautifully. Make sure it is a protein powder you enjoy the flavor of on its own since it will be one of the main flavor components of the finished oats.
Why do my sprinkles bleed color into the oats?
Sprinkles bleed color when they are mixed into wet ingredients and left to sit for an extended period. The simple fix is to stir them in right before eating rather than the night before when you are assembling the jar. Even five minutes of sitting in wet oats can start the color bleeding process so keep them separate until the moment you are ready to eat and the colors stay bright and beautiful every time.
Birthday Cake Overnight Oats
Ingredients
- 1/2 cup rolled oats
- 1/2 scoop vanilla or birthday cake protein powder
- 1 Tbs chia seeds
- 1 Tbs ground flax seed
- 1/2 tsp vanilla extract
- 1/2 tsp almond extract
- Pinch of salt
- 1 scoop Pendulum Gut Fuel fiber
- 1 cup almond milk or milk of choice
- 2 Tbs sprinkles
Instructions
- Add all ingredients except sprinkles to a 16oz mason jar.
- Seal the lid and shake well until everything is combined.
- Place in the fridge overnight or for a minimum of 4 hours until the oats have absorbed most of the liquid.
- Stir in sprinkles just before eating and enjoy!

Comments +